Senior Systems Engineer - TS/SCI with Polygraph
$142.79kGeneral Dynamics Information Technology
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Operating Systems (OS), System Administration, Systems Management Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to another site in the National Capital Region in Summer 2026* Transform technology into opportunity a Systems 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 differentiator. As a Systems Engineer, you will help ensure today is safe and tomorrow is smarter. HOW A SYSTEMS ENGINEER WILL MAKE AN IMPACT: Develops and applies advanced engineering and design methods, theories and research techniques in the investigation and solution of complex and advanced system requirements, hardware/software interfaces and applications and solutions. Operate and sustain the on-going daily operational use of VMware infrastructure including updating, testing and deploying the vSphere and vCenter product releases. This includes identifying and reporting concerns or issues encountered during installation, testing and deployment of new software releases. Manage and administer physical and virtual servers, primarily Windows and Linux servers Support and management of server virtualization, server provisioning, physical server maintenance, security compliance and daily operations Manage VMware vSphere, with emphasis on automation, and enterprise storage and backup system administration, installation and on-going maintenance experience. Maintain server lifecycle - provisioning, maintenance, and decommissioning of the hardware Maintain the virtualized server environment via configuration, implementation, management and support activities Monitor the virtual server infrastructure environment’s health status, service performance, and utilization Implement and maintain continuous compliance to information security policies and technical standards, reporting and remediation of non-compliances Maintain the security baseline compliance via configuration, implementation, and remediation activities Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance Integrate new technologies into new and existing systems including the transition and migration of corporate systems Perform systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions Provides installation and operational support of voice and data communications hardware and software systems. Diagnose and troubleshoot storage systems and other related technologies Oversee the Installation of new storage hardware and software according to standard operating procedures Performs configuration of operating system and security patches for host and distributed systems and implements incident response procedures during incidents of a network or host security breach. Reviews customer requirements and makes recommendations for changes to existing technical architecture. Complies with prescribed customer, industry and agency standards. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. support, administer and maintenance of enterprise data center systems comprised of both physical and virtual servers, storage, backups, monitoring and automation Participates in special projects as required WHAT YOU’LL NEED TO SUCCEED: Required Education and Experience: BA/BS + 8 years Certifications: DoD Manual 8570.01-M at the Information Assurance Technical (IAT) Level II role Security Clearance Level: Active TS/SCI clearance with Polygraph Working technical competency in one or more of the following supported platforms: Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, , Scripting, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, Microsoft IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office Hands on engineering experience with NetApp and other storage technologies and concepts Experience with SAN, NAS and iSCSI storage implementations Experience with capacity planning and sizing storage and backup environments Experience in performance tuning and optimizing storage and backup environments Experience with data center migrations and storage replication technologies Experience with design, development, implementation and maintenance of large-scale systems, preferably across multiple hardware platforms and data centers Location: On Customer Site GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. ● Growth: AI-powered career tool that identifies career steps and learning opportunities ● Support: An internal mobility team focused on helping you achieve your career goals ● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #GDITCareers #WeAreGDIT #MD_2026Alumni #JET The likely salary range for this position is $142,792 - $143,750. 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: 40 Travel Required: None Telecommuting Options: Onsite Work Location: USA DC Washington Additional Work Locations: USA MD Elkridge 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. Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 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 mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world. For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT
- ...centric technology company in Maryland is looking for a Systems Engineer with 14+ years of experience. The role entails analyzing... ...IAT Level II certification, and have an active TS/SCI with Full Scope Polygraph. The workplace emphasizes a balance of trust and well...Senior
$95k - $230k
...Annapolis Junction, Maryland Category: Systems Engineer Level - All Levels Travel... ...Required:No Remote Type: No Clearance: TS/SCI w/ Polygraph **Position is contingent upon... ...and tactical efforts. Coordinate with customers, project teams, and related...SeniorContract workTemporary workWork experience placementImmediate startRemote work- ...plus twelve (12) years of general system engineering experience. A Bachelor’s degree... ...stakeholders; comfortable with escalating to Government Leads (... ...prioritization of test activities Active TS/SCI security clearance with a current polygraph is required Requires a CI poly...Suggested
$164.38k - $212.75k
...to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required... ...Assurance,Information System Security,Risk... ...Cybersecurity Systems Engineer/Information Systems Security... ...Security Engineer (ISSE) with GDIT. A career in... ...High Value Asset (HVA), TS (SCI), Secret, etc.)...SuggestedTemporary workFor contractorsInterim roleImmediate startWorldwideFlexible hours- SwiftCruit in Laurel, Maryland is seeking a Senior Systems Engineer to shape and validate systems that... .... The role involves collaborating with users and stakeholders to create... ...Engineering experience and an active TS/SCI with Polygraph clearance. This position offers...Senior
$140k - $210k
A day in the life: We’re looking for a Systems Engineer with strong project management skills to provide the engineering and project management... ...and updating technical documentation An active TS/SCI with Polygraph level of security clearance The total package: Our...Summer holidayImmediate start$150k - $200k
Systems Engineer Level III Columbia, MD TS/SCI and Full Scope Polygraph Columbia, MD Location: Columbia, MD Security Clearance: TS/SCI with Full Scope Polygraph Required Position Overview SNS One is... ...selected candidate will provide senior‑level systems engineering and...Flexible hoursAfternoon shift$201k - $240k
Sixgeninc is seeking a full-time Systems Engineer in Columbia, MD, responsible for leading cybersecurity solutions and ensuring... ...systems engineering experience and must possess an active TS/SCI clearance with Polygraph. The role involves evaluating systems engineering...SeniorFull timeFlexible hours$140k
...Columbia, Maryland, is in search of an experienced DevOps / Systems Engineer. This position involves supporting the design,... ...employees to excel. The role requires U.S. Citizenship and a TS/SCI clearance with Polygraph. Join us to support our mission in enhancing national...Senior$128.04k - $173.23k
...Possess: Top Secret/SCI Clearance Level... ...: Top Secret SCI + Polygraph Public Trust/Other... ...Qualifications: Skills: Complex Systems, Information... ...depends on an F5 Engineer joining our team to... ...Collaborates with different technology... ...you’ll need: Active TS/SCI clearance with...Full timeTemporary workWork experience placementLocal areaImmediate startRemote workWorldwideFlexible hours- A technology solutions provider is seeking a Tactical SIGINT Systems Engineer Level 2 in Columbia, Maryland. The role involves triaging and... ...similar roles, a bachelor's degree in a relevant field, and active TS/SCI clearance. The position offers a robust benefits package,...SeniorFlexible hours
$168k - $240k
Belay Technologies, Inc. is seeking a Senior System Engineer in Columbia, Maryland. The ideal candidate will have a TS/SCI clearance and a Bachelor's degree with at least ten years of relevant experience in IT. This role involves developing system requirements, supporting...Senior- ...One, Inc. is looking for a highly skilled Systems Engineer Level III to support a mission-critical... ...in Linux administration and VMware, with responsibility for infrastructure support... ...systems initiatives. A bachelor's degree and TS/SCI clearance are required for consideration...Senior
- Peraton is seeking a Systems Engineer with TS/SCI w/Poly clearance for a role in Laurel, MD. The position involves monitoring cyber incidents, implementing security measures, and designing operational architectures. Candidates must have 20 years of relevant experience...Senior
$168k - $240k
Belay Technologies is seeking a Senior System Engineer to join their intel team in Laurel, Maryland. The ideal candidate will have a TS/SCI Clearance and significant experience in systems engineering and information systems architecture. Responsibilities include developing...SeniorFull time$142.79k - $184k
...Possess: Top Secret/SCI Clearance Level... ...: Top Secret SCI + Polygraph Public Trust/Other... ...Skills: Information Systems, System Administration, Systems Engineering Certifications: Security+... ...of a team charged with engineering... ...YOU’LL NEED: Active TS/SCI clearance and ability...Full timeWork at officeImmediate startRemote workWorldwideFlexible hours- Staffed4U is seeking a Mid-Level Systems Engineer to support programs in Annapolis Junction, MD. The candidate must have... ...experience, a technical bachelor's degree, and active TS/SCI clearance with Full-Scope Polygraph. This full-time, on-site role requires strong...Full time
- MANTECH is seeking a motivated Sr. Linux System Administrator in Laurel, MD, to join a dedicated team delivering enterprise... ...operating systems and providing IT systems support. Applicants must also hold a current Top Secret/SCI clearance with Polygraph. #J-18808-Ljbffr MANTECHSenior
- teKnoluxion Consulting LLC is seeking a Senior System Administrator/System Engineer (Linux) based in Columbia, Maryland... ...extensive Linux systems with a focus on high availability and security... ...years of experience, hold an Active TS/SCI clearance, and possess strong...Senior
$160k - $250k
...Columbia, Maryland is seeking an experienced Software Engineer with expertise in Java development and Linux environments to... ...0,000 based on qualifications and experience. This role requires TS/SCI clearance with a Polygraph and U.S. Citizenship. #J-18808-Ljbffr MediumSenior$185k - $200k
...Maryland is looking for a Software Engineer II to develop and maintain diverse software systems. The role involves implementing... ...pipelines, enhancing ML analytics with Python, and integrating AWS services. Active TS/SCI with Polygraph is required, along with experience...Senior- ...DoD), and Defense Information Systems Agency (DISA). RBR-Technologies is seeking a System Engineer to support one of our... ...assurance devices and experience with High Assurance products and... ...considered in lieu of a degree. TS/SCI with polygraph Hands-on experience...Contract workFor contractorsFlexible hours
$176k - $282k
Senior Systems Engineer Top Secret/SCI w/Poly Job Locations: US-MD-Laurel Requisition ID: 2026-165938... ...cloud-native patterns. Collaborate with data scientists and stakeholders... ...Basic Qualifications: Active TS/SCI clearance with polygraph Twenty (20) years of Systems...SeniorContract workShift work- ...Onyx Point, Inc. is seeking a Level 2 Software Engineer in Hanover, Maryland, to develop, maintain, and enhance complex software systems. Candidates must have a TS/SCI with Full Scope Polygraph security clearance and fourteen years of experience as a software engineer...Senior
$175k - $200k
...Inc is hiring for a role in Columbia, Maryland, requiring US citizenship and active TS/SCI security clearance. The candidate will manage IT infrastructure and support various systems. Required qualifications include a bachelor’s degree in a technical discipline and at...Senior- ...in Annapolis Junction, MD is looking for an experienced Systems Administrator. The role requires over 5 years of expertise... ...must hold IAT Level II certification as required by DoD standards and possess an active TS/SCI with Full Scope Polygraph. #J-18808-Ljbffr HoogaNetSenior
- CACI is hiring a System Engineer for the ClassifyIT team in Elkridge, MD. This role involves collaborating with developers and customers to enhance the classification marking tool... ...solutions. The position requires an Active TS/SCI clearance and 3+ years of relevant...
$131.8k - $290k
Job Title: Systems Engineer-TS/SCI with Poly Job Category: Information Technology Time Type: Full time... ...Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of... ...personnel, government overseers, and senior executives is essential for maintaining...Full timeContract workWork experience placementFlexible hours$201k - $240k
...vulnerabilities, protect vital systems, and ensure operational... ...OVERVIEW Position: Systems Engineer Job Type: Full‑time Location... ...Clearance Requirements: Active TS/SCI with Polygraph required (U.S. Citizen Only)... ...projects. Contribute as a senior technical resource on complex...Full timeTemporary workRemote workFlexible hours- ...contractor to support the DFRS engineering team in Columbia, Maryland.... ...customer support, and coordinating with technical leaders on documentation and system changes. The ideal candidate... ...relevant Bachelor's degree, TS/SCI clearance with polygraph, and experience in data...Full timeFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Engineer - TS/SCI with Polygraph. Be the first to apply!
- senior windows systems engineer Hanover, MD
- operating system engineer Hanover, MD
- healthcare systems engineer Hanover, MD
- systems engineer Hanover, MD
- senior robotics software engineer Hanover, MD
- senior consulting engineer Hanover, MD
- senior application security Hanover, MD
- senior manager diversity & inclusion Hanover, MD
- senior software engineer Hanover, MD
- senior project manager contract Hanover, MD

