ManTech seeks a motivated, career and customer-oriented Tier I Support Engineer Evenings to join our team in Tysons, VA. The Tier I Support Engineer will be part of a global team that provides 24x7 support to help customers seamlessly operate their hybrid on-premises Cloud infrastructure.In this role, you will troubleshoot technical problems for customers with a mix of debugging, networking, system administration, updating documentation, and when needed, coding/scripting.Responsibilities include but are not limited to:First contact for all Customer service requests - Answer phones, respond to chats and emails. A customer first attitude is a must.Maintain response and resolution speed as defined by SLOs;Keep high customer satisfaction scores and follow quality standards in 90% of cases.Familiar with Product and can reference runbooks and playbooks to provide a meaningful resolution to CustomerProvide high-touch assistance to highest Tier customers, build in-depth understanding of most pressing customer issues and act as an advocate for such issues with engineers and Program Managers. Work Shift – this is for a evening shift 2pm-10pm position. Schedule to include but not limited to rotating weekends that may be required. Schedule subject to change based on business need.Minimum Qualifications:Associate’s degree in computer science or related field with 1+ years of experience in the Information Technology field; an additional 2 years of Information Technology experience might be substituted for a degreeBasic understanding of Networking and Cloud technologiesWorking knowledge of Systems: UNIX/Linux or WindowsWorking knowledge of any customer service ticketing systemAbility to read runbooks & playbooks & provide meaningful summaries to CustomersWorking knowledge of Google Workspace Tools (Doc, sheets and Slides)Preferred Qualifications:Great communication skills (written and verbal)Experience working with ServiceNowCCNA or equivalentClearance Requirements:An active TS/SCI with PolygraphPhysical 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.

ManTech seeks a motivated, career and customer-oriented Cybersecurity Analyst - Days to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Tuesday-Saturday 7am-3pm. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 CertificationPreferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

ManTech seeks a motivated, career and customer-oriented Cybersecurity Analyst - Nights to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Weds-Sat 2pm to 12am. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma/GED with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 CertificationPreferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

ManTech seeks a motivated, career and customer-oriented Cybersecurity Analyst - Nights to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Wed-Sun 0000-1000. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma/GED with 4+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 CertificationPreferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

ManTech seeks a Cyber Threat Hunt Analyst to join our Cyber Security Operations Center (CSOC) in McLean, VA. The ideal candidate will have a deep understanding of cyber threat hunting, advanced persistent threats (APTs), and the latest tactics, techniques, and procedures (TTPs) used by adversaries. Join ManTech and play a vital role in our nation’s security by helping to enhance our security posture. Responsibilities include but are not limited to:Conduct threat hunting activities to detect advanced threats that evade traditional security solutions and continuously monitor and analyze threat intelligence sources to stay informed about emerging threats.Search for signs of malicious activity in our network and systems. Develop and implement new and innovative threat detection techniques and strategies.Analyze large datasets to identify patterns and anomalies indicative of malicious activities.Collaborate with other CSOC team members and stakeholders to respond to and investigate security incidents. Provide detailed reports and briefings on threat hunting activities and findings to senior management.Develop and maintain threat hunting playbooks, processes, and procedures.Perform in-depth forensic analysis to understand the nature and impact of threats.Participate in the development and refinement of security monitoring and incident response tools and processes.Minimum Qualifications:High School Diploma and 2+ years of experience in cyber threat hunting, incident response, or a related cybersecurity fieldExperience working with network protocols, operating systems, and security architecturesExperience using threat hunting and forensic tools.Preferred Qualifications:Bachelor's degreeRelevant certifications such as GCIH, GCFA, GNFA, or equivalentExperience with scripting and programming languages such as Python, PowerShell or similarKnowledge of machine learning and data analytics techniques as they apply to threat huntingFamiliarity with cloud security and threat hunting in cloud environments.Understanding of regulatory and compliance requirements related to cybersecurity (e.g., GDPR, HIPAA).Clearance Requirement:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:must be able to remain in stationary position at least 50% of the timeSKN.7.23

ManTechseeks a motivated, career and customer-orientedExpert Technical Support Analyst to join our team inMcLean, VA. In this role, you will oversee and execute complex audiovisual (AV) and video teleconferencing (VTC) projects. This role requires technical expertise in AV system planning and installation, hands-on leadership in field operations, and the ability to manage cross-functional teams and project deliverables in dynamic, high-visibility environments. Candidates should be self-starters with a deep understanding of the full AV project lifecyclefrom design through implementation and sustainment.Responsibilities include, but are not limited to: Lead AV/VTC planning and replacement of existing AV/VTC solutionsAttend client meetings and conduct site surveys to capture requirements and translate them into functional system designs.Create and review architectural documentation including floor plans, elevations, and signal flow diagrams.Estimate engineering, programming, and labor requirements for AV projects.Supervise and assist with the installation of AV systems, including cabling (CAT6, fiber, coax, speaker wire, control cables), terminations, and rack builds.Troubleshoot technical issues during and after installation; serve as escalation point for complex problems.Develop and maintain project plans, schedules, and documentation using ServiceNow PPM or similar tools.Provide guidance and mentorship to junior installers and technicians; ensure adherence to quality standards and best practices.Communicate project status, risks, and issues effectively with clients, stakeholders, and internal teams.Maintain records, ensure compliance with Key Performance Indicators (KPIs), and support performance reporting.Local travel will be required between customer buildings or temporary assignment to an alternate location in support of special projects.May have supervisory responsibilities.Minimum Qualifications: Bachelor's degree and 9+ years of relevant experience, or a combination of education and work experience equivalent to 13+ years.Demonstrated experience in designing, configuring, and implementing AV/VTC systems for conference rooms, operations centers, training rooms, and executive suites.Strong working knowledge of AV systems, switching hardware, DSP technology (including DANTE), signal flow theory, and commercial audio equipment.Experience managing AV projects in a Working Capital Fund (WCF) or similarly complex funding environment.Proficiency in MS Office Suite, including Visio and PowerPoint.Working knowledge of IP technologies, networking concepts, and AV control systems.Excellent problem-solving skills, attention to detail, and ability to work independently and collaboratively.Strong communication and customer service skills; ability to interact professionally at all organizational levels.Preferred Qualifications: AVIXA CTS certification (CTS-I or CTS-D preferred).PMP, CSM, or equivalent project management certification.Experience using ServiceNow ITSM/ITBM/PPM tools for project tracking and reporting.Familiarity with Agile, ITIL, or other project delivery frameworks.Experience supporting customer-specific environments, including ticketing systems, access management, and voice/video infrastructure.Formal education in electronics, engineering, or a related technical field.Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTech seeks a motivated, career and customer-orientedTelephony Engineer to join our team inMcLean, VA. In this role, you will apply your expertise in various telecommunications and IT domains, including Linux, Korn shell scripting, PowerBuilder, BESS billing, and Telephony Provisioning Tools. Your responsibilities will include designing, developing, and maintaining voice media gateways that integrate seamlessly with telephony infrastructure.Responsibilities include, but are not limited to:Install, maintain, and analyze software, hardware, and transmission systems for voice communications.Ensure proper installation and support procedures for remote hardware and communication facilities.Collaborate with customers and vendors to define voice communication system requirements.Integrate telephony systems (VoIP, analog, ISDN) with voice media gateways and service modules.Manage and configure Linux servers (Ubuntu, CentOS) for hosting applications, ensuring performance, security, and stability.Utilize BESS Billing and Telephony Provisioning Tools to support telephony systems.Develop, test, and troubleshoot applications on Linux-based servers, including PowerBuilder and Korn shell scripts, while optimizing system performance.Minimum Qualifications: BA/BS and 9+ years of experience, or a combination of education and work experience equivalent to 13+ years.Strong experience with telephony systems (VoIP, analog, ISDN) and voice media gateway integration.Proficiency in Linux server management (Ubuntu, CentOS) and scripting languages (Korn shell, PowerBuilder).Experience with BESS Billing and Telephony Provisioning Tools.Excellent troubleshooting, problem-solving, and analytical skills with the ability to work independently.Preferred Qualifications:Experience integrating telephony systems with web applications (e.g., handling inbound/outbound calls, IVR, call routing).Knowledge of security best practices for telephony, server administration, and web applications.Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance optimization.Qualified in Oracle Database Administrator.Experience provisioning telephony services.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

ManTech is seeking a motivated, career and customer-oriented System Engineer to join our team in Laurel, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.Responsibilities Included but are not limited to:Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) – Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc.Assist with the development of system requirements, functional requirements, and allocation of the same to individual hardware, software, facility, and personnel components.Develop system design solution that satisfies the system requirements and fulfills the functional analysis.Contribute to the development of sections of systems engineering documentation such as System Engineering Plans, Initial Capabilities Documents, Requirements specifications, and Interface Control Documents.Review and provide input program and contract work breakdown structure, (WBS), work packages and the Integrated Master Plan (IMP).Develop system design solution that satisfies the system requirements and fulfills the functional analysis.Minimum Qualifications:Twenty (20) years’ experience as a System Engineer in programs and contracts of similar scope, type and complexity is required.Bachelor’s degree in technical discipline from an accredited college or university is required.Five (5) years of additional SE experience may be substituted for a bachelor’s degree.Preferred Qualifications:Automation ExperienceScripting ExperienceGeneral Cloud UnderstandingPrevious DevOps ExperiencePython and PowerShell ExperienceExperience with Infrastructure as Code (IaC) languages (Terraform or BICEP)Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented SeniorSystems Engineer, with a focus on Cisco Networks to join our team in Laurel, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.Responsibilities Included but are not limited to:Responsible for analyzing user’s requirements and high-level system architectures to develop system requirements.Responsible for providing Tier 1-2 (Help Desk) problem identification, diagnosis, and resolution of problems. Will provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the client/server/network devices. Will provide support for the patching systems and hardware problems and remains involved in the resolution process.Responsible for installing Windows software and hardware applications; upgrade systems with new releases and models. Must be able to create accounts, reset passwords, and provide help desk customer service via phone, or tickets.Must be able to work late during patching days and cover a 6am-6pm shift.Minimum Qualifications: Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.Five (5) years of additional Systems Engineering experience may be substituted for a bachelor’s degree. Twenty (20) years’ experience as a SE in programs and contracts of similar scope, type and complexity is required.Preferred Qualifications: Experience with SCANBOY or LatteArt Experience with RHEL 8 or 9 Experience with BIGFIXClearance Requirements:Must have a current/active TS/SCI w/ Polygraph. Physical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech seeks a motivated, career-driven, and customer-focused Information Assurance Security Analyst to join our team in Columbia, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s Enterprise Information Technology (EIT)the foundational platform for enterprise-wide users. You will partner with customers, Integrated Product Teams (IPTs), and vendors to help deliver advanced EIT capabilities through Data Center & Compute Services.Responsibilities include but are not limited to:Responsible for updating hardware and software inventory records, including associated changelog documentationParticipate in Secure the Enterprise (STE) and Secure the Network (STN) activitiesReview and address Xacta notices and maintain accurate compliance documentationComplete SEAR audit log records in alignment with Sponsor standardsReview and resolve POAMs (Plan of Action and Milestones) related to IAVA findings, including IAVAxDevelop and maintain System Security Plans (SSPs)Review system scans and collaborate with stakeholders to remediate vulnerabilities.Initiate and support the authorization process for new systems and reauthorization for legacy systemsUtilize Gatekeeper, Xacta, SEAR, and LatteArt in day-to-day security operationsMinimum Qualifications:Bachelor’s degree with twelve (12) years of relevant experienceOR Associate’s degree with fifteen (15) years of relevant experienceOR High School Diploma/GED with twenty (20) years of relevant experiencePreferred Qualifications:Experience with Gatekeeper, Xacta, SEAR, LatteArt, and similar Sponsor toolsFamiliarity with STE and STN activity coordinationExperience responding to POAMs, conducting audit log reviews, and maintaining secure system inventoriesBackground supporting SSP development and managing computer incident responsesClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

ManTech seeks a motivated, career and customer-oriented SeniorSoftware Engineer, to join our team in Columbia, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.Responsibilities Included but are not limited to:Responsible for developing, maintaining and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.Responsible for reviewing and testing software components for adherence to the design requirements and documents test results.Will utilize software development and software design methodologies appropriate to the development environment while providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.Minimum Qualifications: Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional Software Engineering experience on projects with similar software processes may be substituted for a bachelor’s degree. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Twenty (20) years experience as a Software Engineer in programs and contracts of similar scope, type, and complexity is required.Preferred Qualifications: Experience with Kubernetes, Springboot, Helm, API Development, Linux, Git/Gitlab, Jira, MonogoDB, Python, Angular, and DockerExperience with Java, K8s, and Linux Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph. Physical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.