Senior Systems Engineer (TS/SCI) - Lifecycle & Cyber Ops
$131.8k - $290kCACI
Job Title: Systems Engineer Skill Level 4Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity: CACI is seeking a system engineer that applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. You will interact with the Sponsor regarding Systems Engineering technical considerations and for associated problems, issues or conflicts. You will communicate with other program personnel, sponsor overseers, and senior executives. Responsibility for the technical integrity, quality, and completeness of work performed and deliverables associated with one or more of the 25 process areas defined by ISO/IEC15288:
- Technical Process Area - Stakeholder Requirements Definition, Requirements Analysis, Architectural Design, Implementation, Integration, Verification, Transition, Validation, Operation, Maintenance, and Disposal;
- Project Process Area - Project Planning, Project Assessment and Control, Decision Management, Risk Management, Configuration Management, Information Management, and Measurement;
- Enterprise (Organizational Project-Enabling) Process Area - Project Portfolio Management, Infrastructure Management, Lifecycle Model Management, Human Resource Management, and Quality Management;
- Agreement Process Area - Acquisition and Supply.
$131.8k - $290k
Job Title: Systems Engineer Skill Level 6Job Category: EngineeringTime... ...Required to Start: TS/SCI with PolygraphEmployee... ...overseers, and senior executives. Responsibility... ...Management, Lifecycle Model Management, Human... ...programs focusing on Cyber Mission Operations, where...CyberSeniorContract workFor contractorsWork experience placementFlexible hours$142.79k
...Obtain: Top Secret SCI + Polygraph... ...Skills: Operating Systems (OS),System Administration... ...a Systems Engineer with GDIT. A career... ...Maintain server lifecycle - provisioning, maintenance... ...Security Clearance Level: TS/SCI clearance and... ..., AI/ML, Cloud, Cyber and application development...CyberSeniorTemporary workSummer workWork at officeLocal areaImmediate startWorldwideRelocationFlexible hours$190k - $304k
...Senior Systems Engineer- Cyber TS/SCI w/Poly Job Locations US-MD-Annapolis Junction Requisition ID 2026-167039 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Peraton is seeking...CyberSeniorContract workShift work$176k - $282k
...Responsibilities The Systems Engineer -Splunk Administrator will support a critical mission of consequence within our Cyber Mission Business Unit in Annapolis Junction, MD. This... ...planning and leading Systems Active TS/SCI security clearance with current polygraph...CyberSeniorContract workFor contractorsShift work$176k - $282k
...Cyber Systems Engineering, Senior Advisor - TS/SCI w/Poly Job Locations US-MD-Laurel Requisition ID 2026-165524 Position Category... ...drives design and development activities across the lifecycle. The System Engineer collaborates closely with...CyberSeniorContract workShift work$201k - $240k
SixGen, Inc. is searching for a Systems Engineer to lead technical projects and ensure successful execution through applied research and capability... ...and relevant technical certifications, including an active TS/SCI clearance with Polygraph. This full-time role is based in...CyberSeniorFull timeFlexible hours- Staffed4U is seeking a Systems Engineer (Mid-Senior Level) on-site in Jessup, MD. The role demands minimum... ...engineering experience and an active TS/SCI clearance with Full-Scope Polygraph.... ...throughout the development lifecycle. The company offers extensive health...Senior
- ...Junction, MD Clearance: TS/SCI with Polygraph required Work... ...a highly experienced Systems Engineer to lead the planning and execution... ..., overseeing the full lifecycle from requirements gathering... ...architectures. It is designed for a senior leader who thrives on...SeniorFull timeTemporary workImmediate startFlexible hours
$125.1k - $225.2k
...future success of the U.S. Cyber Command. What You'... ...Develop and optimize engineering workflows and... ...Ensure efficient AI model lifecycle management, including... ...utilization Oversee system performance, security,... ...ll Bring: Active TS/SCI w/polygraph Bachelor...CyberSeniorFlexible hours$117.2k - $206.77k
...Lockheed Martin in Hanover, Maryland, is seeking a Senior System Administrator to support Windows-based environments and ensure robust cybersecurity... ...virtual servers and the procurement process while maintaining TS/SCI clearance. This position offers a competitive salary range of...CyberSenior$201k - $240k
...ahead of advanced cyber threats. We combine... ..., protect vital systems, and ensure operational... ...: Systems Engineer Job Type: Full... ...Requirements: Active TS/SCI with Polygraph... ...throughout the engineering lifecycle. This role... ...Contribute as a senior technical resource...CyberFull timeTemporary workRemote workFlexible hours- ...Senior Software Systems Engineer (Level 3) Navius Technologies is seeking a hands-on Senior Software... ...management throughout the development lifecycle. Use modeling, simulation, and prototyping... ...: Clearance: Active TS/SCI with Polygraph Experience: Minimum...SeniorTemporary workLocal areaFlexible hours
$180k - $250k
...Principal Systems Engineer As a Principal Systems Engineer, you will support a Cybersecurity... ...Intelligence Team in providing normalization of cyber security data and automation of cyber... ...the customer and leading teams. ~ A TS/SCI with Polygraph level of security...CyberSummer holidayImmediate start$146k - $234k
...Cyber Systems Engineer -TS/SCI with Polygraph Job Locations US-MD-Annapolis Junction Requisition ID 2026-165832 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Systems Engineer...CyberContract workShift work$128.04k - $173.23k
...to Obtain: Top Secret SCI + Polygraph Public Trust... ...Skills: Complex Systems,Information Technology (... ...Our work depends on an F5 Engineer joining our team to support... ...you’ll need: Active TS/SCI clearance with CI... ...modernization, AI/ML, Cloud, Cyber and application...CyberTemporary workWork experience placementLocal areaImmediate startWorldwideFlexible hours$119k - $161k
...Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/... ...Description: ACTIVE DIRECTORY SYSTEMS ENGINEER Designs and defines system... ...● Security clearance level: TS/SCI w/Poly ● US citizenship... ...modernization, AI/ML, Cloud, Cyber and application development. Together...CyberTemporary workImmediate startWorldwideFlexible hours$124.09k - $161k
...to Obtain: Top Secret SCI + Polygraph Public Trust... ...Server,Operating Systems (OS),Windows SQL Certifications... ...: SCCM/MCM Systems Engineer Deliver simple... ...Security Clearance Level: TS/SCI w/Poly ● Required... ...modernization, AI/ML, Cloud, Cyber and application...CyberTemporary workImmediate startRemote workWorldwideFlexible hoursShift workDay shift$150k - $195k
...Senior Dataflow Systems Engineer As a Senior Dataflow Systems Engineer, you will provide engineering and project management for end-to-end data... ...necessary steps to stand up a new data flow ~ An active TS/SCI with Polygraph level of security clearance Bonus Skills...SeniorSummer holidayImmediate start- ...mission-centric technology company in Maryland is looking for a Systems Engineer with 14+ years of experience. The role entails analyzing user... ..., possess IAT Level II certification, and have an active TS/SCI with Full Scope Polygraph. The workplace emphasizes a balance...Senior
- ...Systems Engineer Location: Annapolis Junction, Maryland Clearance: TS/SCI w/ Polygraph Position is contingent upon contract award Position Requirements Perform systems engineering functions, including defining and documenting concept of operations, operational...SeniorContract workTemporary workWork experience placementImmediate start
$164.38k - $212.75k
...to Obtain: Top Secret SCI + Polygraph Public Trust... ...: None Job Family: Cyber and IT Risk Management... ...Information Assurance,Information System Security,Risk... ...a Cybersecurity Systems Engineer/Information Systems Security... ...High Value Asset (HVA), TS (SCI), Secret, etc.)...CyberTemporary workFor contractorsInterim roleSummer workImmediate startWorldwideRelocationFlexible hours$150k - $200k
...Senior Systems Engineer As a Senior Systems Engineer, you will work with a large team of Systems, Security and Software Engineers in support... ...and system analysis. ~ An active US Government TS/SCI security clearance with Polygraph The total package:...SeniorSummer holidayImmediate start$175k - $210k
...Title Senior Systems Engineer (TS/SCI-Polygraph Required) Req Number INF-26-00003 Location Hanover, MD Description Clearance Requirements Must possess an active Top Secret/SCI clearance with an active polygraph . Both...SeniorLong term contractFull timeTemporary workPart timeInterim roleImmediate startFlexible hours$200k - $215k
...Columbia, MD is seeking an experienced Malware Analyst / Reverse Engineer for critical cyber operations. The successful candidate will perform malware... ...or 6 years with an M.S. is required, along with an active TS/SCI clearance with a polygraph. Competitive salary ranges from...CyberSenior$201k - $240k
A technology solutions provider is seeking a Systems Engineer to manage end-to-end responsibilities for applied research and cyber capability development projects. The candidate will evaluate and deliver technical input, develop documentation, and communicate with program...CyberSeniorWork at office$146k - $234k
...Cyber Software Engineer, SR - TS/SCI with polygraph Job Locations US-MD-Annapolis Junction... ...and maintaining advanced software systems. This is a funded backfill opportunity... ...support the full software development lifecycle, working independently or as part of...CyberSeniorContract workShift work$122k - $253k
...advanced full-spectrum cyber, data operations, systems integration and intelligence... ..., data intelligence, lifecycle mission enablement, and... ...Nightwing is seeking a Senior Systems Engineer to play a pivotal role... ...Candidates must have an active TS/SCI with CI Poly clearance *...CyberSenior$187k - $220k
...Systems Engineer - Senior Level Why This is an Exciting Role: As a Systems... ...imposed on the system during the lifecycle from development through... ..., analytics, and cyber solutions that enable users... ...Qualifications: Active TS/SCI with Polygraph Clearance...CyberSeniorContract workRemote workWorldwide$176k - $282k
...Senior Systems Engineer - Data Ingest (TS/SCI w/Poly ) Job Locations US-MD-Annapolis Junction Requisition ID 2026-162775 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities The project supports...SeniorContract workFor contractorsFlexible hoursShift work$122k - $253k
...advanced full-spectrum cyber, data operations, systems integration and intelligence... ..., data intelligence, lifecycle mission enablement, and... ...commercial markets. Senior Systems Engineer Nightwing provides... ...testing efforts ~ Active TS/SCI security clearance with...CyberSeniorNight shiftWeekend work
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