Senior Systems Engineer - TS/SCI w CI Poly
Modern Government Solutions
Job Description
Job Description
TITLE: Sr. Systems Engineer, Digital Engineering Solutions
LOCATION: Sterling, VA (Relocation assistance considered)
CLEARANCE REQUIRED: Active TS/SCI with CI Poly
EMPLOYMENT TYPE: Full-Time, Onsite
POSITION SUMMARY
Modern Government Solutions (MGS) is seeking a Sr. Systems Engineer, Digital Engineering Solutions to deploy, maintain, troubleshoot, and sustain enterprise engineering platform environments in support of national security missions. In this role, you will configure and administer Teamwork Cloud, Cameo, and associated engineering tools within secure cloud-based infrastructures, leveraging Automation as Code (AaC) and CI/CD pipelines to drive reliability, scalability, and operational efficiency. Working alongside systems engineers, software engineers, and mission stakeholders, you will keep critical engineering environments running, resolve application issues, and implement infrastructure improvements that directly enable mission delivery.
RESPONSIBILITIES (not limited to):
- Configure, deploy, maintain, and optimize Teamwork Cloud, Cameo, Cassandra, and related engineering platforms within cloud-based environments.
- Implement Automation as Code (AaC) solutions and CI/CD pipelines to automate application deployment, configuration, and sustainment activities.
- Develop and maintain integrations between engineering platforms, workflow systems, automation tools, and enterprise services.
- Administer databases, authentication services, and identity management solutions supporting engineering environments.
- Troubleshoot complex application, infrastructure, and integration issues, perform root cause analysis, and implement corrective actions.
- Develop and execute testing, validation, and quality assurance activities to ensure system reliability and operational readiness.
- Support DevOps and infrastructure automation initiatives utilizing Ansible, Terraform, Jenkins, GitLab, and related technologies.
- Collaborate with engineering, cybersecurity, infrastructure, and program stakeholders to implement technical solutions and process improvements.
- Create and maintain technical documentation, implementation guides, and operational procedures.
- Ability to remain in a stationary position for extended periods while working at a computer workstation.
- Ability to communicate effectively with customers, team members, and stakeholders in both written and verbal formats.
REQUIRED SKILLS AND QUALIFICATIONS
- Must possess an active DoD TS/SCI security clearance with CI Polygraph.
- Must meet DoD 8140 requirements, including Security+ CE certification.
- Bachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.
- 10+ years of experience deploying, administering, and sustaining enterprise engineering platforms and IT infrastructure within cloud-hosted environments.
- Experience configuring, deploying, and maintaining Teamwork Cloud, Cameo, Cassandra, or similar engineering platforms using Automation as Code (AaC) and CI/CD pipelines.
- Experience integrating enterprise applications with workflow, ticketing, automation, or custom-developed platforms, including ServiceNow or similar solutions.
- Experience supporting relational and non-relational databases, including Cassandra, MySQL, MongoDB, or similar technologies.
- Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.
- Experience developing integrations using Python, PowerShell, and Groovy, with strong skills in testing, validation, troubleshooting, and technical documentation.
PREFERRED SKILLS AND QUALIFICATIONS
- Experience supporting Model-Based Systems Engineering (MBSE) environments and tools.
- Experience optimizing cloud-hosted solutions and supporting Azure, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, or similar environments.
- Experience implementing and integrating ServiceNow solutions and supporting customer security requirements within classified environments.
- Experience supporting monitoring, visualization, and observability platforms such as Grafana and Splunk.
- Experience maintaining API gateways and catalogs within cloud-based environments.
- Experience supporting virtualization technologies, application streaming, and integration of virtualized applications and application layering techniques.
- Experience configuring, deploying, and maintaining IBM Engineering Lifecycle Management (ELM) as AaC using CI/CD pipelines within cloud-based environments.
- Experience configuring, deploying, and maintaining SharePoint as AaC using CI/CD pipelines within cloud-based environments.
- Experience configuring, deploying, and maintaining Tableau as AaC using CI/CD pipelines within cloud-based environments.
- Experience developing cross-domain capabilities.
- Experience leading and overseeing a total system perspective, including technical understanding of relationships, dependencies, and requirements across cloud services, infrastructure, and security domains.
- Familiarity with containerized development environments, including Rancher and Kubernetes.
*Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information.*
ABOUT US
At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: inclusion, integrity, and a commitment to excellence.
MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.
- ...Description Job Description TITLE: Sr. Systems Engineer (Citrix) LOCATION: Sterling, VA (... ...) CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time... ...technical presentations for government and senior leadership. REQUIRED SKILLS AND...SeniorFull timeRelocation package
- ...Job Description Job Description TITLE: Senior Systems Engineer (IBM ELM) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government...SeniorFull timeRelocation package
- ...Job Description Job Description TITLE: Principal Systems Engineer (API Gateway) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government...SuggestedFull timeRelocation package
- Space Systems Engineer – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking a Space Systems Engineer to join our team in Chantilly, VA. Work will be performed on-site with the customer and requires an active TS/...SuggestedFor contractorsWork at office
- ...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
- Ground Network Systems Engineer – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking an experienced Ground Network Systems Engineer/Technical Advisor (SETA) with a strong background in Information Technology or Network...For contractorsWork at officeOverseas
- ...protect our country from threats. Job Description SYSTEMS ENGINEER SENIOR Are you ready to be a part of an elite team at... ...in Systems Engineering CLEARANCE: Active TS/SCI clearance with poly US citizenship required LOCATION: Onsite GDIT...SeniorWork from homeFlexible hours
- Senior Budget Analyst – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking a Senior Budget Analyst... ...information for entry into government financial systems, and develop products using Microsoft applications...SeniorFor contractorsWork at office
- ...Description Job Description TITLE: Senior DevSecOps Engineer LOCATION: Sterling, VA (... ...considered) CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time,... ...Bachelor's degree in Computer Science, Systems Engineering, Information Technology,...SeniorFull timeRelocation package
- ...TITLE: Sr. Software Engineer LOCATION: Herndon, VA CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time, Onsite POSITION SUMMARY... ...cultures where employees feel needed in the system, not a system that needs employees. We...SeniorFull timeRemote work
- ...Job Description Our work depends on an Infoblox Systems Engineer joining our team to support Government... ...written communication skills Must have an Active TS/SCI with a willingness to obtain and maintain a CI Poly. Benefits Essential Network Security (ENS)...Temporary workRelocation package
- ...Description TITLE: Sr. DevSecOps Engineer LOCATION: Sterling, VA (... ...CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE:... ...Solutions (MGS) is seeking a Senior DevSecOps Engineer to design,... ...cloud architecture and system design, with a preference for...SeniorFull timeRelocation package
- ...Description We are seeking a hands-on Systems Engineer with deep, practical experience across... ..., Bash, PowerShell, CloudFormation) CI/CD tools (Jenkins, GitLab CI/CD, GitHub... ...hours, 9am - 3pm Security Clearance: TS/SCI with Polygraph US Citizenship Required...Contract workWork experience placement
- Spacecraft Attitude Control Systems Engineer – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking a Spacecraft Attitude Control Systems Engineer to support the Vehicle Engineering Branch with the Space and Launch...For contractorsWork experience placement
- ...Description Job Description Our work depends on a Systems Engineer joining our team to support Government activities... ...VDI architecture. Must possess an Active TS/SCI and willingness to obtain and maintain a CI Poly Benefits Essential Network Security (ENS) Solutions...Temporary workWork at officeRelocation package
- ...Description Job Description Systems Engineer / SME Falls Technology LLC... ..., VA Clearance: Active TS/SCI with Polygraph required... ...applications. You’ll serve as a senior technical resource responsible... ...technologies. Experience supporting CI/CD pipelines and modern...
- ...We are seeking one (1) Software Engineer to provide software development support for... .... Demonstrated experience with Systems Administration Demonstrated experience... ...Cloud Development Kits (CDK) Active TS/SCI w/ FS Poly Demonstrated experience with...Full time
- Senior Budget Analyst - TS/SCI CI PolyDepartment: Government Customer - ChantillyLocation: Chantilly, VAACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITIONPosition Overview:Support Government leadership by providing advanced financial management...SeniorFor contractors
- Cyber Splunk Systems EngineerDepartment: Govt Customer-ChantillyLocation: Chantilly... ...to hire a Cyber Splunk Systems Engineer. Must have active TS/SCI with CI poly. Position Description:The Cyber... ...recommendations, and findings for senior US government intelligence and...Contract workFor contractors
- ...Job Description Job Description Cyber Systems Engineer TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly... ...papers, presentations, recommendations, and findings for senior US government intelligence and operations officials. Provide...
- .... Our comprehensive offerings include systems integration, IT security, continuity of... ...automation, cloud migration, software engineering, systems engineering, and IT project... ...infrastructure and security domains. Must have an TS/SCI with Poly clearance to be considered. Required...Full time
- Data Scientist, Senior - TS/SCI CI polyDepartment: Govt Customer-ChantillyLocation: Chantilly, VATENICA is looking to hire a Senior Data Scientist in Chantilly, VA. MUST HAVE TS/SCI with CI poly.Develop and conduct algorithm quality trade studies related to synthetic aperture...SeniorRemote work
- ...Job Description Job Description Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA Senior ISSE Position Description: The Senior Information Systems Security Engineer...Senior
- ...provider of mission-critical systems and analysis that transform... ...shared goal. We are seeking a Senior Cloud Engineers to join our dynamic team. In... ...Must possess a TS/SCI federal security clearance.... ...CloudFormation, and familiarity with CI/CD pipelines to support automated...SeniorTemporary workLocal area
- ...Description As a Sr. DevSecOps Engineer , you’ll play a critical... ...requirements. Develop CI/CD pipelines from scratch... ...troubleshooting efforts by analyzing system and application logs using... ...Requirements ~ Active TS/SCI Clearance with CI poly. ~10+ years of experience...SeniorTemporary workRelocation package
$164.38k - $274.52k
Systems Engineer SME (TS/SCI with Poly Required) Job Category: IT Infrastructure and Operations Requisition Number: SYSTE002097 Posted: May 7, 2026 Employment Type: Full-Time Work Location: On-site Salary Range: $164,382.40 USD to $274,518.40 USD Locations Herndon...Full timeWork experience placementFlexible hours- ...EXPERIENCE REQUIREMENTS: BA/BS or equivalent, 10+ years of experience in Intelligence Analysis CLEARANCE: Active TS/SCI clearance with poly US citizenship required LOCATION: Onsite GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our...Senior
$155k - $200k
...an immediate need for a Senior AI Software Engineer to join our growing AI... ...applications, and agentic AI systems. You will collaborate... ...as Code (IaC), CI/CD pipelines, containers... ...Requirements What You Bring ~ TS/SCI clearances Required (CI poly preferred). ~ Bachelor...SeniorTemporary workImmediate startWorldwide- ...provider of mission-critical systems and analysis that transform... ...controls. ~ Supporting CI/CD pipelines, version control... ...developers, system engineers, cybersecurity personnel, and... ...~ Must possess an active TS/SCI clearance with CI Poly (Preferred) ~ High school...SeniorTemporary workLocal areaImmediate start
- Senior Contract / Acquisition Support - TS/SCI CI PolyDepartment: Government Customer - NROLocation: Chantilly, VAACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITIONPosition Overview:Support complex Government acquisition efforts by providing...SeniorContract work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Engineer - TS/SCI w CI Poly. Be the first to apply!
- sr systems engineer Sterling, VA
- distributed systems engineer Sterling, VA
- ground systems engineer Sterling, VA
- healthcare systems engineer Sterling, VA
- space systems engineer Sterling, VA
- senior windows systems engineer Sterling, VA
- digital communications systems engineer Sterling, VA
- operations support system engineer Sterling, VA
- systems engineer Sterling, VA
- senior staff systems engineer Sterling, VA


