Senior Systems Engineer - TS/SCI w/ CI Poly
Calibrate North
Overview Sterling, United States | Posted on 06/10/2026 Security Clearance: Active DoD Top Secret TS/SCI w/CI Poly Clearance We are looking for a Sr. Systems Engineer experienced in configuring, deploying, and maintaining IBM’s Enterprise Lifecycle Management (ELM) tool suite (and associated tools/DB) as Application as Code (AaC) to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and analysis of digital engineering information in an architecture that provides seamless digital thread and enables tool interoperability, including data structures suitable for AI applications. The program delivers engineering services for Linux and Windows cloud-based infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, Cloud services, virtualized applications, and storage systems. Enterprise Computing Engineering services include modern application technology including containerized solutions with orchestrated workflows. Our platform uses a mix of Open Source, Government-off-the-Shelf (GOTS) and Commercial off-the-Shelf (COTS) software and targets cloud-native constructs. The environment offers a secure-by-default configuration, implementing an Infrastructure-as-Code approach, and governance policies. We value fast iteration and a customer-oriented approach while being mindful about security. This is a fast paced, challenging, and career rewarding experience to recruit and develop top talent and solutions on one of the most complex and high-profile programs within the government customer community. #J-18808-Ljbffr
- ...TITLE: Senior Systems Engineer (IBM ELM) LOCATION: Sterling, VA CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Senior Systems Engineer with hands...SeniorFull time
$10k
...Job Title Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better.... ...experience in designing and executing automated system testing plus a Bachelor's degree is... ...Demonstrated expertise as a Test Automation Engineer delivering similar scope projects...SeniorContract workTemporary workImmediate startFlexible hours- ...Job Description Job Description TITLE: Principal Systems Engineer (API Gateway) LOCATION: Sterling, VA CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking...SuggestedFull time
- ...Senior Network/Systems Tools Engineer A&M Technologies Inc. has an opening for a Senior Network/Systems Tools Engineer to support the Intelligence... ...and reduce manual workload. Requirements TS SCI CI Poly Candidate must have 16 years of experience that can...Senior
- ...Senior Cost Engineer/Estimator (TS/SCI Clearance w/CI Poly Required) Location Chantilly, VA Job Description Leffler Consulting is seeking a seasoned Cost Engineer... ...support to national security satellite ground systems. This position is an immediate fill and will reside...SeniorWork at officeImmediate start
- ...International in Herndon, VA, is seeking a Senior RF Electrical Engineer to serve as a subject matter expert... ..., requiring strong expertise in RF systems and integration of various sensor... ...experience. The position mandates a TS/SCI W Poly security clearance. #J-18808-Ljbffr...SeniorWork at office
- ...Senior Cyber Engineer Intelligent. Dynamic. Resilient. Everfox, formerly Forcepoint Federal, has been defending the world's most... ...You Must Have to Apply: ~ Active (currently in Use) TS/SCI w/CI Poly clearance ~8+ years of experience in a cyber engineer role...SeniorPermanent employmentFull timeFor contractorsLocal areaRemote workMonday to FridayFlexible hours
- ...A national security solutions provider is seeking a Network Engineer to manage the configuration, implementation, and troubleshooting... ..., along with a Bachelor’s degree in IT or Computer Science. A TS/SCI w/CI polygraph clearance is mandatory. This role involves supporting...Senior
- ...Job Description Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer) The selected candidate will integrate... ...or managed) to OCP. Only Candidates with a TS/SCI CI Poly Clearance will be considered Job Duties include:...Senior
- ...Cyber Systems Engineer TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA TENICA is hiring a Cyber Systems... ...papers, presentations, recommendations, and findings for senior US government intelligence and operations officials....
- Senior Program Control Analyst – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking a Senior Program Control... ...information for entry into government financial systems, and develop products using Microsoft applications...SeniorFor contractorsWork at office
- ...Continuous Monitoring (ConMon) Cyber Systems Engineer TS/SCI CI poly Chantilly, VA Position Description: The ConMon Cyber Engineer provides... ...and supervision Desired: Experience briefing senior customer personnel Ability to organize and prioritize...
- ...Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly Government Customer- Chantilly Location: Chantilly, VA Senior ISSE Position Description: The Senior Information Systems Security Engineer provides support to the customer in the area of...Senior
- We are seeking a hands‑on Systems Engineer (SME) with deep expertise across infrastructure, platforms... ...(PowerShell, Bash, Python, etc.) CI/CD integration with infrastructure and... ...and migration plans Eligible TS/SCI with FS Poly Desired Knowledge/Skills Observability...
- ...Senior System Engineer (TS/SCI with Full Scope Poly) {S} Job Category : ENG Requisition Number : SENIO003260 Apply now Posted : March 4, 2026 Full-Time Locations Showing 1 location ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military,...SeniorFull timeTemporary workWork at officeLocal areaVisa sponsorship
- ...Job Title Senior Principal Oracle Database Administrator Location Chantilly, VA Position Summary... ...month. Things You Must Have to Apply Active TS/SCI with CI Polygraph. Bachelor’s degree in computer science, Information Systems, Cyber Security, or equivalent education and...SeniorFor contractorsWork experience placementFor subcontractorLocal areaFlexible hours
- ...Cyber Splunk Systems Engineer Department: Govt Customer-Chantilly Location: Chantilly... ...Systems Engineer. Must have active TS/SCI with CI poly. Position Description: The... ...presentations, recommendations, and findings for senior US government intelligence and...Contract workFor contractors
- TENICA is looking to hire a Ground Engineering System Engineer. Responsibilities: Perform wide variety of... ...s degree in STEM or business field Junior to Senior level positions available Must have TS/SCI with CI poly Company Information: TENICA and Associates LLC...
- ...As a VDI Engineer supporting the Government, you will be trusted to engineer new... ...of experience Must have an Active TS/SCI ; willing to obtain a CI Poly Experience performing engineering... ...Development, Cyber and Network Security, System Engineering, Program/Project...Temporary workRemote workRelocation package
- ...contracting firm in Chantilly, VA, seeks a dedicated SIGINT Systems Engineer to design and develop advanced Signals Intelligence systems.... ...collaboration in a fast-paced environment. Candidates must possess a TS/SCI clearance. Join a supportive company that prioritizes...Senior
- ...We are seeking one (1) Software Engineer to provide software development support for MOON... ...position. Demonstrated experience with Systems Administration Demonstrated experience... ...Cloud Development Kits (CDK) Active TS/SCI w/ FS Poly Leading Path is an award-winning Information...
- ...Job Description Job Description Senior Budget Analyst - TS/SCI CI Poly Department: Government Customer – Chantilly Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION Position Overview: Support...SeniorFor contractors
- ...Vibrint is a trusted provider of mission‑critical systems and analysis that transform our customers' capacity and capability in harvesting... ...and performance optimization in large‑scale systems. TS/SCI + CI Poly. Vibrint's comprehensive compensation package includes but is...SeniorTemporary workLocal areaImmediate start
- ...and total life-cycle balanced set of system, people, and process solutions that satisfy... .... Required Qualifications: • TS/SCI Clearance and Poly within the last 5 years • Bachelor'... ...• Experience working in RF systems engineering • Demonstrated ability to serve as...SeniorFor contractors
- ...government services provider is seeking a Ground Engineering Requirements Engineer in Chantilly, VA. This... ...in a STEM or business field and must hold a TS/SCI with CI poly. This position offers opportunities for junior to senior level candidates, contributing to critical...
- ...Overview Our client is a software and systems development firm, built by veterans of... ...They are searching for a talented Systems Engineer to provide site reliability engineering... .... Clearance Clearance requirement: TS/SCI w/FS Poly REQUIRED for consideration. Location Chantilly...
- ...solutions provider located in Reston, VA is seeking a Senior Cloud Engineer I to enhance secure cloud environments. This role demands... ...and automating cloud operations, requiring active TS/SCI clearance with CI Polygraph. The ideal candidate will collaborate across...Senior
$83k - $122.1k
...provide security expertise on-site for project leads and division leadership in the intelligence community. The role requires a TS/SCI clearance with CI Polygraph and at least 5 years of experience in security management for the IC/DOD. The position offers a competitive...Senior- ...solutions provider is seeking a Software Engineer IV to join their team in Herndon, VA.... ...a Unix/Linux environment. An active TS/SCI with CI Poly clearance is a must. The successful candidate... ...focused on building and maintaining systems in a containerized environment. This...Senior
- ...TENICA Global Solutions is seeking a Senior Database Administrator in Herndon, Virginia... ...organization and storage, ensuring system performance, and implementing... ...Bachelor's Degree. Additionally, an active TS/SCI clearance with FS Poly is required for consideration. #J-188...Senior
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