ManTech seeks a motivated, career and customer-oriented Lead Data Scientist to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a key member of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. This leadership role involves guiding a team and collaborating with others to implement this transformative process. You will be responsible for providing expert guidance and support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data science and analytics solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Lead the design, development, and deployment of cloud-based analytics and data science solutions.Develop models and solutions applied to problem sets in a broad range of data science and data analytics areas, including but not limited to, graph analytics, anomaly detection, geo-spatial analysis, and data visualization.Perform knowledge elicitation from client of business problem details and incorporate that knowledge into algorithms, models, analytics and approaches in client solutions.Contribute data science expertise to solution development through whiteboarding sessions with clients, partners, and coworkers.Address data science technical challenges in the development of solutions, including algorithms, models, data manipulation, or other technical challenges related to data science and data analytics.Collaborate with clients to understand their business needs and translate them into technical requirements.Ensure the quality and performance of analytics solutions through rigorous testing and validation. Adhere to security and compliance standards, ensuring the protection of sensitive government data.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or related field and 10 years of experience OR a Master's degree and 8 years of experience.Proven experience in Oracle Analytics Cloud or similar analytics platforms.Demonstrated ability to lead and manage a team of engineers.Management experience, including project, people, customer, and financial management.Understanding of security and compliance standards related to handling sensitive Government data.Preferred Qualifications:Master’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or a related field.Advanced certifications in Oracle Analytics Cloud or related technologies.Experience in developing and implementing machine learning models.Strong communication and interpersonal skills to effectively collaborate with clients and team members.Clearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Network EngineeringJob Qualifications:Skills:Data Networking, Local Area Network (LAN), Network SystemsCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Transform technology into opportunity as a Network Engineer with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiators.As a Network Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on Network Engineer Expert joining our team to support a geographically dispersed, state-of-the-art system that seamlessly integrate Linux and Microsoft services. Positions will provide engineering support to multiple WAN connected sites, with data flows crossing various controlled interfaces, and will follow specific IT project management and engineering lifecycle processes. A Network Engineer will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements,creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.How a Network Engineer Will Make an Impact:Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systemsDesign, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructureDetermine network bandwidth needs and recommend measures to meet those requirementsDesign, recommend and implement new solutions to improve the resilience of network operationsConduct network modeling and analysis to construct a reliable, high-performance integrated networkMonitor network performance and troubleshoot problems and outagesSchedule updates and upgradesCollaborate with network architects to optimize system performanceEngage in data network fault investigationsSecure network systems with policies that define and monitor accessConfigure DNS servers and appliancesWhat You'll Need to Succeed:Education: BA/BSRequired Certification: CompTIA Security+ certification or similar for IAT Level II DoD 8570 certificationRequired Experience: 10+ years of related experienceTechnical skills:Understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)Candidate should be familiar with the following technologies and protocols.Layer 2: Ethernet, ATM, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNsLayer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMPLayer 4: TCP, UDPRouting Protocols: BGP, OSPF, IS-IS, EIGRPOther: SNMP, RADIUS, TACACS+Ability to set up, configure, upgrade, manage, and troubleshoot Cisco and Juniper routers, switches, firewalls, and Riverbed devicesExperience with various cloud provider environments such as AWS and AzureExperience with managing work tasks via tools such as JIRA and ServiceNowPrevious experience with the following technologies is beneficial but not required:Juniper QFX Series RouterJuniper ApstraForcepoint NextGen FirewallForcepoint Transfer Guard stackRed Hat AnsibleRADIUS ServerAruba ClearpassDynatraceAzure SentinelZscalerSystem configuration based on security guidelines such as DISA STIGsSecurity clearance level: TS/SCI w/polygraph.Location: On Customer site in Chantilly, VAGDIT is Your Place:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $157,250 - $212,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech is seeking a motivated, career and customer-oriented AI Application Architect to join our team in the Northern VA area. As an AI architect, you will provide guidance and assistance in the analysis, design, implementation and optimization of enterprise wide complex cloud architectures based on customer mission objectives and needs. This is a fully onsite position in the Northern VA region.Responsibilities include but are not limited to:Implement creative and innovative solutions with significant industry-wide impact.Analyze customer missions and business needs to ensure solutions meet objectives using Oracle Cloud Infrastructure best practices, product knowledge, and business acumen.Recommend enhancements to meet highly complex customer needs.Lead the design and implementation of scalable cloud infrastructure for large-scale AI/ML management applications.Design and implement a scalable, cloud-hosted data platform supporting complex organizations with strict access control and governance.Ensure interoperability with multiple cloud providers, open-source software, GOTS, COTS technologies, and AI/ML models, supporting a Zero Trust Architecture (ZTA).Monitor and optimize costs versus performance tradeoffs, enabling secure data product creation, sharing, and reuse within established data policies.Collaborate with development and data science teams to ensure infrastructure supports the solution lifecycle, including continuous integration and deployment.Facilitate the transition to hybid on-premise/cloud architecture.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering, Information Technology, or related technical areaMinimum of 12 (10 with Master’s) years of experience in software or system architecture and design.Minimum of 4 years of consulting management experience with financial management responsibility.Management Experience: Direct Line Management experience required (including project, people, customer, and financial management).Proven track record of developing and managing AI/ML systems and deploying into production environments.Familiarity with machine learning and generative AI, object-oriented programming languages, cybersecurity, and relational databases.Knowledge and experience working with federal compliance and guidance, such as FISMA, RMF, Federal Enterprise Architecture Framework, DoDAF, NIST Cybersecurity Framework, NIST 800 series, FedRAMP and cloud-based security controls.Experience with architectures supporting full Software Development Life Cycle (SDLC) and/or Machine Learning Operations (MLOps)Strong oral and written communication skills, including client-facing discussions and presentations.Proficiency in architecting and designing cloud environments and infrastructure. Must understand the tradeoffs when choosing services and approaches to system design.Preferred Qualifications:Master's degree in a related field.Proficient at managing managers and large team.Experience developing and deploying large AI/ML systems.Experience with data fabrics and big data platforms.Clearance Requirements:Must possess a current and active TS/SCI with polyPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Active Directory (AD), DNS, Group Policy ManagementCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking highly motivated Microsoft Identity and Access Management engineers and architectswith a thirst for learning, in support of a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions with Microsoft Windows Server will be positioned for success in our organization. The selected candidate will design, build and deploy, and administer large scale multi-domain enterprise Windows Server environments. Additionally, engineers will build, maintain and migrate a variety of physical and virtual systems to on-premises, cloud, or hybrid infrastructures.Engineers will provide support to multiple globally dispersed WAN connected sites. Embracing the DevOps model, engineers will be responsible for supporting their solutions throughout the entire IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.Responsibilities:Designs and defines system architecture for new or existing computer systems utilizing both on-premises and cloud-based hosting technologiesAnalyze requirements and system architectures to develop system requirements specifications and resulting design plansAdminister, operate, manage and maintain components for on-premises and cloud-based virtualized systemsReviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clientsPlans and directs upgrades of Windows Server infrastructure and related components in the area of Active Directory, Domain Controller topology, LDAP, Authentication Services, DNS, Permissions and Access Controls and Group PolicyRequired Skills:Experience with Microsoft Windows Server Active Directory design and implementationExperience with Microsoft Entra ID Governance and Identity ManagementExperience with Hybrid Identity Management Solutions and Federation TechnologiesExperience with Group Policy ManagementExperience with Windows DNS and DHCPExperience with LDAPExperience with Active Directory Federation ServicesExperience with Active Directory Domains and TrustsExperience with Microsoft Windows automation scripting with PowerShell or other scripting languagesExperience with Windows Server2019, 2022 and 2025Experience with Microsoft Identity Manager and/or Forefront Identity Manager experience is optimalExperience building/managing servers in AWS (Amazon Web Services), Azure and VMware based environment is desiredExperience with managing work tasks via tools such as JIRA and ServiceNowSystem configuration experience and hardening based on security guidelines, such as DISA STIGsCompTIA Security+ or similar for IAT Level II DoD 8570/8140 certificationBA/BS (or equivalent experience)TS/SCI with PolygraphLocation: On Customer SiteUS Citizenship RequiredGDIT is Your Place:401K with company matchComprehensive health and wellness packagesInternal Mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITcareers#OpportunityOwned#WeAreGDIT#transitioningmilitary#clearedjobs#veterans#AutobotsThe likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:NetApp, NetApp ONTAP, Storage ArraysCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Systems Engineer Sr AdvisorAt GDIT, people are our differentiator. As a Storage Engineer you will help ensure today is safe and tomorrow is smarter. We think. We act. We deliver. There is no challenge we can’t turn into opportunity. And our work depends on a Storage Engineer joining our team to support an Intelligence Community customer’s activity in Chantilly, Virginia.Qualifications:10+ years of experience supporting enterprise storage platforms (NetApp, 3Par, Primera, EMC, Veritas , Cohesity etc)Experience with NAS and SAN storage protocols to include NFS, CIFS and Fiber ChannelExperience with data center installation of storage arrays to include initial software configurations,SAN zoning and IP based storage configurationsExperience with data replication technologies such as NetApp SnapMirrorExperience with storage array cluster switchesExperience performing routine storage array firmware & OS code updates.Experience configuring storage platforms to include configuring clustering, HA, building aggregates, LUNs, volumes, shares and managing storage quotas.Experience with cloud-based storage platforms such as NetApp Cloud Volumes OnTap, AWS S3 and Azure Storage AccountsKnowledge of encryption technologies and integration with storage platforms.Knowledge of backup platforms and their implementation.Experience monitoring storage system and configurations in order to ensure system health and functionality as well as remediate issues in a timely mannerBS degree and 10+ years of related experience; or equivalent combinationAn active TS / SCI clearance w/ CI scope polyDoD 8570 certificationGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $139,984 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Microsoft Deployment Toolkit (MDT), Microsoft Endpoint Configuration Manager, Windows Desktop Operating SystemsCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking highly motivated engineers with a thirst for learning, in support a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions for Microsoft Windows desktop operating systems will be positioned for success in our organization.The selected candidate will design, build, deploy, and administer large scale multi-domain enterprise Windows environments.The engineer will build and maintain Windows desktops for use on virtual and physical client hardware.The engineer will provide support to multiple globally dispersed WAN connected sites. Engineers will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, as well as providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments.Engineering solutions to be deployed via automated CM tools and hardening the solutions to address security and SCAP compliance.Responsibilities:Designs and defines system architecture for Windows desktop solutions and client based applicationsSupports the integration of the Windows desktop with a variety of enterprise servicesEvaluates desktop software and hardware technologies and determines the most efficient method to leverage the technology within the customer’s network environment.Administer, operate, manage and maintain components for Windows desktop deployments to include virtual and thick client environments.Reviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clientsPlans and directs upgrades of Windows desktop operating system version(s) and supporting infrastructure and related components.Required Skills:CompTIA Security+ or similar for IAT Level II DoD 8570 certification.Active TS/SCI and CI PolygraphMECM / MCM packages experience as well as vast knowledge in OSD (O/S Deployment), MDT (Microsoft deployment toolkit)and Intune.Experience with Microsoft Windows desktop design engineering and implementation options.Experience with Microsoft deployment tools to include Microsoft Deployment Toolkit and Microsoft Endpoint Configuration Manager.Experience with engineering and deploying client software installation packages for Microsoft Windows desktops (physical and virtual).Experience with Application Virtualization to include, Citrix XenApp, Citrix App Layering, Microsoft APPV, and MSIX App Attach.Experience with maintaining Windows desktop systems for mobile users on laptop hardware.Experience with anti-virus and malware product integration within a Windows desktop configuration and remediation.Desired Skills:Experience with managing Windows Active Directory, Group Policy Management, DFS, DNS, DHCP, and VMware Dynamic Environment Manager.Experience with Microsoft Azure and Office 365.Experience with Windows Server 2016 and 2019.Experience with Microsoft Windows automation scripting with PowerShell or other scripting languages.Experience with managing and updating work tasks using ServiceNow.Experience with maintaining system security compliancy following DISA STIGs.GDIT Is Your Place:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITcareers#OpportunityOwned#WeAreGDIT#transitioningmilitary#clearedjobs#veterans#AutobotsThe likely salary range for this position is $139,984 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans