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:Cyber SecurityJob Qualifications:Skills:Cloud: Amazon Web Services (AWS), Continuous Monitoring, Risk Management Framework (RMF), Standard Operating Procedure (SOP)Certifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:Own your career as a Cyber Security Analyst Sr Advisor at GDIT. Here, you’ll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your work in cyber security at GDIT will have an impact on securing our clients’ missions and ensuring we anticipate the threats of tomorrow.At GDIT, people are our differentiator. As a Cyber Security Analyst Sr Advisor, you will help ensure today is safe and tomorrow is smarter.HOW A CYBER SECURITY ANALYST SR ADVISOR WILL MAKE AN IMPACT:Provide vulnerability analysis and reporting on accredited information systems.Create documentation such as SOPs, internal process documents and input into cyber policies that support the continuous monitoring of accredited information systems.Coordinate with information system POCs for plan updates and mitigation strategies to ensure overall health of IT systems, networks and applications.Interprets, analyzes, and reports all events and anomalies in accordance with computer network directives, including initiating, responding, and reporting discovered eventsEnsures that cybersecurity plans, controls, processes, standards, policies, and procedures are aligned with cybersecurity standardsDevelops techniques and procedures for conducting cybersecurity risk assessments and compliance audits, the evaluation and testing of hardware, firmware and software for possible impact on system security, and the investigation and resolution of security incidents such as intrusion, frauds, attacks or leaksMay coach and provide guidance to less-experienced professionalsMay serve as a team or task leadWHAT YOU’LL NEED TO SUCCEED:Experience with architecture design, system and network analysis, vulnerability and risk assessments, and security assessment of hardware and software.Experience in scanning information systems using scanning tools such as Nessus, Tenable, AppDetective, WebInspect.Perform some manual data aggregation and normalization tasks until automated solutions are developed.Strong understanding of cloud environments and assessing systems within cloud environments focusing on security posture.Experience with continuous monitoring and plans of actions and milestones (POA&Ms).Recommend new capabilities and efforts to improve the effectiveness of the continuous monitoring programUnderstanding of NIST 800-53, 800-137 and Risk Management Framework (RMF).Knowledge of DoD Security Technical Implementation Guides (STIGs).Demonstrated experience with cyber security concepts to include encryption services, access control, information protection, network securityExperience with AWS and Azure cloud security complianceKnowledgeable of various cloud services to include Infrastructure as a Service, Platform as a Service, Software as a ServicePossesses strong analytical and problem-solving skillsLocation: Bethesda, MD - On Customer SiteSecurity Clearance: TS/SCI with active polygraphYears Experience: 8+ yearsEducation: Bachelors Degree (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline) or additional work experience.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#WeAreGDIT#JETThe likely salary range for this position is $150,480 - $203,590. 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:Less than 10%Telecommuting Options:OnsiteWork Location:USA MD BethesdaAdditional 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 seeks a motivated, career and customer-oriented Cyber Network Defense Analyst in Herndon, VA.As a CND Analyst on our team, you will use your expertise in specialized network defense to provide innovative and creative solutions to challenging cyber security problems. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture.Responsibilities include, but are not limited to:Provide malicious code detection, intrusion detection, and information security tool development and integration.Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems and identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflictsProvide logical use case development.Provide and track requirements to engineering partners.Identify gaps in visibility or coverage of cyber defense systems.Prepare data analytics and reporting.Minimum Qualifications:High School Diploma and 11+ years of experience in a cyber security or network security role, or Bachelor’s degree in a technical field with 7+ years of experienceExperience writing script in programming languages such as Python, JavaScript, Yara or SnortExperience using SIEM tools for case development and applicationExperience with network security applications, protocols, and associated hardwareExperience with one or more of the following classes of enterprise cyber defense technologies: SysMon, Network and Host based IDS and IPS, Network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) or Cloud Based platforms such as Azure, AWS, or GooglePreferred Qualifications:Experience working with MITRE ATT&CKExperience with Splunk or Splunk Enterprise SecurityExperience with forensics tools and applicationsClearance Requirements: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%

Mantech seeks a highly technicaland mission focused Cyber Systems Engineer to join our team inHerndon, VA.This position can also be based in McLean, VA with weekly travel the Herndon, VA per customer requirements.This role is critical in enhancing our cyber defense capabilities through building and maintaining a cyber test range for the customer. Join an elite team of experts helping to defend critical national security assets.Responsibilities include, but are not limited to:Design, implement, and manage secure, scalable systems across Windows, Linux, and cloud environments.Manage system configurations, patches, and updates in Windows, Linux, or hybrid environments.Develop and maintain scripts and automation tools using Python or similar programming languagesOversee virtual infrastructure (VMware, Hyper-V or similar) and deploy systems in AWS or Azure.Implement and manage automation workflows using SOAR platforms. Develop automated incident response playbooks to streamline CSOC processes.Enhance the effectiveness ofEndpoint Detection and Response (EDR)solutions,Digital Forensicsplatforms, andSecurity Information and Event Management (SIEM)systems (Splunk, Elk or similar)Minimum Qualifications:High School Diploma and 11+ years of experience as a Cyber Engineer, Systems Engineer or similar role within a cybersecurity environment or Bachelor’s degree in a technical field and 7+ years of experienceExperience with Python, Javascript, Ruby, Perl or similar programming languages8+ years of experience with Operating Systems, Network Infrastructure, Security Principles, and System ArchitecturePreferred Qualifications:Relevant certifications such as CISSP, GIAC, CEH or similarExperience with automation and SOAR platformsStrong analytical, problem-solving, and communication skillsClearance Requirements:Must have a current/active TS/SCI w/Polygraph clearancePhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time.

Mantech seeks a ManTech seeks a motivated and mission-focused Software Tester to join our team in Herndon, VA.As a Software Tester on our team, you will play a key role in delivering automation and big data analytics solutions to the Intelligence Community. This role combines rigorous software testing with hands-on end-user support to ensure reliable, high-quality performance across critical applications.Responsibilities include, but are not limited to:Execute all aspects of software testing, including regression testingLearn the applications and develop test cases and result reporting to support software releasesTest application features and functionality for both expected and edge-case behaviorsEnhance testing capabilities and ensure robust and efficient quality assurance processesUnderstand the user experience by directly engaging with staff, customers, and end-usersTriage, troubleshoot, and respond to user support requests (approximately 20% of the time)Contribute as an active member of a fast-paced agile development teamMinimum Qualifications:High School Diploma and 5+ years of experience in software integration or software testing or Bachelor’s degree in a technical field and 1+ years of experienceExperience with testing and debugging COTS and/or GOTS softwareExperience adapting to new system interfacesPreferred Qualifications:Experience with Selenium or other testing automation toolsExperience testing in CentOS, RHEL, SE Linux, and Windows environmentsClearance Requirements:Active/current TS/SCI with Polygraph is required for this positionPhysical Requirements:Must be able to remain in a stationary position 50%

ManTech seeks a motivated, career and customer-oriented Python Software Developer join our team in Herndon, VA.Join an elite team of Software Developers, Data Engineers, and System Engineers who are developing and deploying unprecedented capabilities for the Intelligence Community. If you’re interested in directly changing the way new technology is used to protect our country, come join us! Responsibilities include but are not limited to:Develop, build, and optimize systems for data collection, storage, access, and analytics at enterprise scale; make data available, accessible, and secure to all stakeholdersDevelop robust and resilient data pipelines to connect data sources to analytics toolsAnalyze data sources for accuracy, data prioritization, and apply appropriate logic to developed solutionsWork with various team members to craft solutions to requirements and help refine the requirements for implementationEnumerate the necessary datasets and design the data model and schemas to support the requirementsProvide platform support, including problem solving and debugging, for production issuesFollow the deployment procedures and standard operating procedures utilized by the team, Coach junior team members through the Software Development Life Cycle processMinimum Qualifications:Bachelor’s degree in Computer Science or Information Technology and 7+ years’ experience in application development, software engineering or data engineering or High School Diploma and 11+ years of experience 2+ years of hands-on python development experience within the last 3 yearsExperience with ETL, data transformation and data pipelinesExperience taking data collection requirements and translating those requirements into implementable solutionsExperience in the full Software Development Life Cycle to include debugging, testing, and deployment to different environmentsPreferred Qualifications:Experience with Database Management, SQL and/or PostgreSQLExperience with LinuxClearance Requirement:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:Must be able to remain in stationary position at least 50% of the time

ManTech seeks a motivated, career and customer-oriented Cyber Incident Response Analyst to join our team in McLean, Virginia. Our team provides 24x7x365 support to our customer.The Cyber Incident Response Analyst will work a 4-day work week; 10 hours per shift. Staff will be assigned to either Sun-Wed or Wed-Sat. The schedule is fixed and does not rotate. We have openings on 1st, 2nd and 3rd shifts. Shift differential applies to 2nd and 3rd shifts. Candidate must be able to train on day shift for 6 months.Responsibilities include but are not limited to:Incident Detection and MonitoringIncident Analysis and InvestigationIncident Response and MitigationThreat Intelligence and Vulnerability ManagementReporting and DocumentationMinimum Qualifications:Bachelor’s Degree or High School diploma and 1+ years of experience in incident response or security operations center or a cyber security related role.Knowledge of cybersecurity principles, incident detection, analysis, and response methodologies.Knowledge of operating systems, network protocols, and security technologies.Knowledge of threat intelligence, vulnerability management, and security incident response best practices.Ability to obtain a DoD 8570 IAT-II certification within 6 months of hirePreferred Qualifications:Relevant certifications including GIAC Certified Incident Handler (GCIH), Certified Incident Response Handler (GCFA) or similarExperience with using SIEM systems, network security tools, and log analysis toolsExperience with cyber incident responseExperience with Mitre ATT&CK frameworkExperience with threat intelligence, vulnerability management, and security incident responseClearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time

MANTECH seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in Alexandria, VA. As part of the position, you will act as a Software Engineer designing and implementing services and components for AI applications.Responsibilities include but are not limited to:Develops, implements, and maintains full-stack software solutions for AI-enabled applications.Works closely with the Software Architect to understand project requirements and translate them into technical specifications.Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.Designs and builds prototype and proof of concept User Interfaces using modern UX/UI standards.Stays current with advancements in AI, machine learning, and software engineering, incorporating best practices into the development process.Performs system optimization, performance tuning and assists in capacity planning.Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.Documents software designs, code, and processes to ensure maintainability, scalability, and knowledge sharing among team members.Participates in code reviews and provides constructive feedback to peers to ensure code quality, adherence to coding standards, and knowledge transfer within the team.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology, or a related field.10 or more years (7 with Master’s) of experience in software development, systems integration, data management, or related fields.Experience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP.Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java.Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker).Strong understanding of software engineering principles, including design patterns, data structures, and algorithms.Experience with DevOps tools and techniques for building integrations with external systems including Infrastructure as Code (IaC). Example tools include Jenkins, GitLab, Ansible, Terraform, AWS Cloud Formation TemplatesPreferred Qualifications:Master's degree in Computer Science, Information Technology, or a related field.Strong analytical and problem-solving skills.Excellent communication and interpersonal skills.Experience working with data ingest and transformation.Ability to work effectively in a team-oriented environment.Clearance Requirements:Must possess a current and active TS/SCIPhysical 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.

MANTECH seeks a motivated, career and customer-orientedPrincipal Systems Administratorto join our team inPentagon, VA. The position is onsite. Responsibilities include but are not limited to:Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access within the organization's IT environmentIdentify, diagnose, and resolve technical issues related to VIP user's IT needsMaintain accurate and up-to-date documentation of IT systems, procedures, and user support informationCollaborate with other IT staff and stakeholders to ensure smooth IT operations and address VIP user needsStrong technical skills in areas such as Windows and Linux operating systems, network administration, virtualization, and securityExcellent problem-solving and troubleshooting skills to quickly identify and resolve issuesStrong communication and interpersonal skills to interact with VIP users and IT staffExperience in managing and supporting complex IT environments, especially for VIP usersManaging desktop computers, servers, and other hardware devices for VIP usersInstalling, configuring, and updating software applications used by VIP usersTroubleshooting and resolving technical issues related to VIP users' hardware, software, and network accessCreating, modifying, and managing VIP user accounts and permissionsSupporting and maintaining specialized software and hardware used by VIP usersProviding training and support to VIP users on new software and hardwareManaging Active Directory and other infrastructure core servicesProviding support for thin clients and virtual desktop environmentsSupporting and maintaining COTS and custom softwareCollaborating with other teams to ensure technology needs are met for eventsMinimum Qualifications:Bachelor’s degree in a technical field and 7+ years of experience in the Information Technology; an additional 4 years of Systems Administration experience can be substituted in lieu of a degreeUnderstanding of operating systems (Windows, Linux, macOS), servers, and networkingExperience with network protocols (TCP/IP), switch configurations, and firewalls is essentialExperience with scripting languages (e.g., Python, PowerShell) for automating tasks and improving efficiencyMicrosoft Visio, Word, Excel experience CASP+ Certification or ability to obtain within 6 months of hireDoD 8570 Computing Environment Certification or ability to obtain within 6 months of hireKnowledge of Microsoft Windows Systems, HP SANs, VMware productsExperience using a Service Desk ticketing system, such as Remedy or ServiceNowPreferred Qualifications:One of the following certifications is desired:MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network AdministratorITIL Foundations or later certification General Dynamics Encryptor experienceSolarWinds experience and knowledgeCisco Prime Infrastructure experience and knowledgeSecurity Clearance Requirements:US Citizenship required and an active TS/SCI clearance adjudicated within the last 6 years.Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.Must be able to exchange accurate information in these situations.