Senior Secure Systems Engineer - Onsite, Polygraph Cleared
Fantom Corp
Fantom Corp seeks a Senior Systems Engineer to support secure enterprise infrastructure, including Windows/Linux environments, virtualization, A&A activities, and certificate management. The role emphasizes Windows and Linux systems engineering, security controls, and documentation in highly secure government-like environments. The candidate will manage ADCS, Hyper‑V/VMware virtualization, NetApp storage, and automation via PowerShell, while collaborating with cybersecurity and operations teams #J-18808-Ljbffr Fantom Corp
- ...Job Description Junior/Senior Systems Engineer, TS/SCI Security Clearance Required, Onsite in Herndon, VA We are seeking a Junior/Senior Systems Engineer... ...environment. Must be willing to acquire a CI Polygraph security clearance. We have 5 openings available...SeniorFull timeTemporary work
- Fantom Corporation is seeking a Senior Systems Engineer to support the administration, accreditation, and sustainment of secure enterprise infrastructure for mission-critical systems. Responsibilities include Windows and Linux systems engineering, virtualization, A&A, and...Senior
- ...growth. We are seeking a Senior Systems Engineer to support the administration... ..., and sustainment of secure enterprise infrastructure... ...Qualifications Must be fully cleared with a recent polygraph Must be willing and able to work fully onsite at the location listed in...Senior
$5,000 per month
...Imagine One Technology & Management, Ltd. is seeking four (4) Senior Security Systems Engineers with specific experience working with Submarine-Launched... ...Security Plan (SSP) CSSE, and the ability to communicate clearly and succinctly in written and oral presentations. Combat...SeniorInterim role- Intrepid Acquisition Holdings, LLC is seeking a Systems Engineer in McLean, VA to ensure IT solutions meet technical and security requirements, engage in software development... ...and supervising teams. A Top Secret SCI CI Polygraph clearance is required, with contingent...SeniorContract work
$86.8k - $198k
Cross Domain Systems Engineer, SeniorThe Opportunity: Are you looking for... ...make an impact on national security? You understand your customers... ...; willingness to take a polygraph examBachelor's degree in Computer... ...visit a customer facility.Onsite: If this position is listed...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$131.3k - $237.35k
...exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design,... ...Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph. Software development experience in...SeniorContract workFor contractorsLocal areaImmediate startRemote workFlexible hours$86.8k - $198k
...Cross Domain Systems Engineer, SeniorThe Opportunity:Are you looking for... ...make an impact on national security? You understand your customers... ...clearance; willingness to take a polygraph examBachelor's degree in... ...visit a customer facility.Onsite: If this position is listed...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$135k - $273k
...technology company, is seeking a Senior Systems Engineer to be part of our Advanced... ...an active Secret U.S. Security Clearance. This is an on... ...Google Maps Workplace type Onsite Compensation $135,000... ...needs to establish clear, prioritized requirements and...SeniorFull timeWork at officeImmediate start- Fantom Corp is seeking a Senior Systems Engineer to support secure enterprise infrastructure, including Windows and Linux servers, virtualization, and A&A activities. The role emphasizes certificate services, storage, and automation using PowerShell. The ideal candidate...Senior
- ...Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities...SeniorContract workTemporary workLocal area
- Leidos is seeking a cleared Senior Model-Based Systems Engineer to support the Defense Sector in our Arlington, VA office. You will apply MBSE to develop system architectures for DoD programs, mentor junior engineers, and help align solutions with customer requirements....SeniorWork at office
- ...Solutions Group (OSG) is seeking an Engineer to support and collaborate with the Bureau of Diplomatic Security (DS) evaluates new... ...skills in order to document for senior Department of State managers the... ...Android/iOS/Blackberry operating systems. Must understand system...SeniorWork experience placementInterim roleWork at officeLocal areaRemote work
$151.2k - $204.6k
AWS Secure Connection Services (SC) is seeking a seasoned Senior Systems Development Engineer to join our team building next-generation infrastructure... ...requirements into clear infrastructure strategies,... ...SCI security clearance with polygraph. The position further requires...SeniorFlexible hours- ...Mid-Level Cyber Systems Engineer ExistX was founded in 2023 with the goal to combine... ...demand to solve national security problems in the real world. Our... ...requires eligibility to work with cleared programs. Hybrid or onsite presence may be required depending...Contract workFor contractorsWork at officeRemote workRelocation packageFlexible hours
$112k - $179k
...ground terminals and associated systems. Peraton is seeking a self-starting cleared Senior Systems Engineer in our Herndon, VA location.... ...to sit for and pass a polygraph within 30 days of employment... ...is a next-generation national security company that drives missions...SeniorContract workShift work$146k - $234k
...and in writingManages A&A/ATO compliance and forms, scans/updates, routine information systems security tasks, and systems engineering documentationQualificationsTS/SCI with Polygraph level clearance is requiredMinimum of 12 years with BS/BA; Minimum of 10 years with MS...SeniorContract workShift work$120k - $180k
OverviewAMERICAN SYSTEMS is an employee-owned federal... ...Mission Support, Engineering & Analysis, and Training... ...Training.ResponsibilitiesThe Senior Systems Engineer will... ...needs into clear requirements, reliable... ...required; active CompTIA Security+ preferred or acceptable...SeniorContract workFor contractors- Analytic Services Inc. is seeking a Security Manager for Special Access... ...the DoD Office of Research & Engineering at the Falls Church, VA site.... .... The position is full-time onsite with no remote options,... ...while coordinating with DoD senior leaders and stakeholders. #J...SeniorFull timeWork at officeRemote work
- DescriptionSAIC is hiring a Systems Engineer with a strong background in technology development... ...This position is hybrid remote with some onsite work in Arlington, VA. Job... ...the six DoD-critical technical areas: Secure edge/Internet of Things (IoT) computing...SeniorWork at officeRemote work
$112k - $179k
...are seeking an experienced Senior Systems Engineer to support mission-critical... ...Location: This position is fully onsite in Chantilly or Springfield... ...and successfully pass a polygraph.Preferred... ...a next-generation national security company that drives missions...SeniorContract workShift work- ...a safer, healthier, and more secure nation and world. Our workplace... ...with us.MITRE Technology and Engineering (MTE) System Engineering Technical Division is seeking a Senior Mission Engineer to support... ...technical and operational findings clearly through briefings, white...SeniorInternshipLocal area
$106.5k - $197.5k
...domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer User Acceptance Tester Job... ...Location: Springfield, VA (100% Onsite) Work Schedule: 5/8 Monday-... ...~ Active Top Secret/SCI with CI Polygraph ~5+ years of software integration...SeniorFor contractorsLocal areaMonday to FridayFlexible hours- ...Peraton in McLean, Virginia is seeking a senior data/solutions engineer to design data models, build ETL pipelines, and implement... ...architectures with AWS services. The role emphasizes secure, compliant delivery and clear communication with stakeholders. Ideal candidates...Senior
- M.C. Dean is seeking an AV Design Engineer 3 to join the Security and Electronic Systems unit. You will design, engineer, integrate, operate and maintain electronic security services including intrusion detection, access control, biometrics, video surveillance, and AV...SeniorLocal area
- M.C. Dean, Inc. seeks an Engineer 4 for its Security and Electronic Systems (SES) unit in Tysons, VA. You will design, engineer, integrate, operate, and maintain electronic security services for federal, local, and commercial customers, handling intrusion detection, access...SeniorLocal area
- ...Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) Transform technology into opportunity as a Cybersecurity Systems Engineer... ...TS/SCI clearance and ability to obtain and maintain a Polygraph Location: On Customer Site GDIT IS YOUR PLACE...For contractorsInterim role
- ...Candidates must have a Bachelor’s or Master’s degree, over 13 years of experience in GIS, and hold an active Top Secret clearance with CI Polygraph. The role includes performing GIS analyses and developing databases. Vantor offers a competitive total rewards package, including...Senior
$97.97k - $132.25k
...Qualifications Information Systems, Project Management, Systems... ...career. Join GDIT as a Systems Engineer Senior and build an impactful... ...with senior decision-makers. Security Clearance Level: Top Secret... ...-25% Telecommuting Options: Onsite Work Location: USA VA Langley...SeniorRemote work- ...Job Description Job Description Senior Systems Engineer, #1058 Clearance: U.S. Citizenship... ...mission-critical systems that provide clear value to end users and our federal government... ...of this role is to build scalable, secure, and highly available backend...Senior3 days per week
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