Systems Engineer SME (TS/SCI with Poly Required)
GCI Incorporated
GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry. At GCI, we solve the hard problems. As a SME Systems Engineer, a typical day will include the following duties: Work Requirements The Candidate shall work closely with other teams, including network engineers, data scientists, and customer. The Candidate shall work closely with the Customer for the execution of tasks, implementation, documentation, and configuration of a standalone HPC system. The Candidate shall work closely with the Customer to maintain A&A accreditation compliance. The Candidate shall work closely with the Customer to create the visualization specifications for the system monitoring and system metrics. The Candidate shall create, document, and update necessary artifacts such as the Configuration Management Plan, Data Management Plan, and CONOPS. The Candidate shall advise and assist with development of System Security Plans. The Candidate shall monitor, track, and update status of systems in Customer's RMF tool. The Candidate shall coordinate technical security assessments of computing environments and systems to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies. The Candidate shall partner with relevant Customer technical and security POCs to maintain the HPC system with current ATO (Authority to Operate) status. Required Skills Demonstrated experience creating and reviewing documentation related to System Security Plans, or Body of Evidence (BOE) documentation. Demonstrated experience with A&A processes. Demonstrated experience with development of System Security Plans. Demonstrated experience working with system architectures, including hands-on setup, configuration, and optimization of systems. Desired Skills Demonstrated experience developing using REST Web services. Demonstrated experience or familiarity with Red Hat, CentOS, or Rocky. Demonstrated experience with web application development. Demonstrated experience designing, developing, implementing, or integrating IA and security systems and system components (such as those for networking, virtualization, cloud, and enclave environments to include those with with differing data protection requirements). Demonstrated experience using Java and Oracle PL/SQL languages. Demonstrated experience developing interactive dashboards and reports using data visualization tools. Demonstrated experience with Customer A&A processes. Demonstrated experience working with the Customer system architecture, including hands-on setup, configuration, and optimization of the system. Cloud certification(s) A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans #J-18808-Ljbffr GCI Incorporated
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$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...SuggestedFull timeWork experience placementFlexible hours- ...critical mission requirements in the areas of Data... ...Development, Engineering, Targeting and Analysis... ...partnerships with our customers and... ...initiatives Ensure system availability, scalability... ...-on technical SME with broad full-stack... ...an active/current TS/SCI with Polygraph...Suggested
- ...meet critical mission requirements in the areas of Data Analytics... ...Software Development, Engineering, Targeting and... ...reliable partnerships with our customers and industry... ...hard problems. As a SME Software Developer, a... ...an active/current TS/SCI with Polygraph clearance...SuggestedFull time
- ...meet critical mission requirements in the areas of Data Analytics... ...Software Development, Engineering, Targeting and... ...reliable partnerships with our customers and industry... ...hard problems. As a SME Software Developer, a... ...an active/current TS/SCI with Polygraph clearance...SuggestedFull time
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- ...critical mission requirements in the areas of Data... ...Development, Engineering, Targeting and Analysis... ...partnerships with our customers and... ...Software Engineer SME, a typical day will... ...teams to provide system information and technical... ...an active/current TS/SCI with Polygraph...Full time
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$153k - $284k
Job Title: Scientist, Systems Engineer - TS/SCI with PolyJob Code: 44341 Job Location: Chantilly, VA Job... ...mission concepts, defining system requirements, and developing CONOPS, use cases, and... ...experience. Active TS/SCI with Poly clearance.Preferred Skills: Master’s...Odd jobFlexible hours- ...Full Stack Software Developer / SME Falls Technology LLC Location: Chantilly, VA Clearance: Active TS/SCI with Polygraph required Falls Technology is looking for an experienced... ..., services, or supporting database systems. Ability to work directly with...Full time
- ...Job Description Job Description Systems Engineer TS/SCI FSP Department: Government Customer... ..., VA ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION... ...Experience: Junior to Senior and SME levels available Bachelor's...For contractors
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- ...seeking one (1) Software Engineer to provide software development... ...matrix; the highlighted requirements, also listed below, are... ...Demonstrated experience with Systems Administration Demonstrated... ...Development Kits (CDK) Active TS/SCI w/ FS Poly Demonstrated experience...Full time
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- ...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...Full timeRelocation package
- ...Job Description Job Description Cyber Systems Engineer TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly... ...Engineer. Ensures products and systems comply with requirements and government information assurance and cyber security...
- ...DESCRIPTION We are seeking a hands-on Systems Engineer (SME) with deep expertise across... ...on-premises environments. This role requires a proven practitioner who can analyze... ...solutions Requirements *Eligible TS/SCI w/ FS Poly QUALIFICATION Bachelor’s Degree...
- ...Description: Senior Principal Cyber Systems Engineer (DevOps Engineer) The... ...architecture working with cross functional teams to debug... .... Only Candidates with a TS/SCI CI Poly Clearance will be considered... ...Selenium, Artifactory, etc...) Required • A Bachelor's degree and...
- ...threats. Job Description As a Systems Engineer supporting the customer, you will be... ...seeking highly cleared candidates with active TS SCI w/Poly to provide systems engineering expertise... ...a broad range of IC customers. REQUIRED SKILLS: Enterprise System...For contractorsWork experience placement
- ...from threats. Job Description SYSTEMS ENGINEER SENIOR Are you ready to be a... ...Analyze mission and product requirements to design and document system solutions... ...Engineering CLEARANCE: Active TS/SCI clearance with poly US citizenship required LOCATION...Work from homeFlexible hours
- ...Cloud Solutions Architect / Cloud Engineer – SME Falls Technology LLC Location:... ...Chantilly, VA Clearance: Active TS/SCI with Polygraph required Falls Technology is looking for an... ...applications with enterprise or mission systems. Experience with cloud networking...
- ...Job Description Job Description TITLE: Sr. Systems Engineer (Citrix) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time, Onsite **Multiple positions available**...Full timeRelocation package
- ...we blend deep technical expertise with a commitment to user-centered... ...helping organizations modernize systems, streamline operations, and achieve... ...experienced Cyber Security Systems Engineer—at the Manager or Subject Matter Expert (SME) level—to support the security accreditation...Work experience placementFlexible hours
- ...Our work depends on a Systems Engineer joining our team to support... ...of a team charged with engineering solutions... ...equipment and systems as required Requirements... ...Must possess an Active TS/SCI and willingness to obtain and maintain a CI Poly Benefits Essential...Temporary workWork at officeRelocation package
$131k - $271.6k
...in-breed technologies engineered by SAP to protect the... ...offer SAP solutions with specialized levels of... ...support to meet the requirements of U.S. national security... ...Citizen with active TS/SCI with Poly; NS2 does not offer... ...Senior Cloud Engineer/Systems Administrator...Permanent employmentFull timeWorldwideFlexible hours- ...seeking an experienced TS/SCI Cleared Software Integration Engineer to provide support... ...access management system. A successful... ...to satisfy customer requirements. The candidate will... ...client integrations with our Enterprise Identity... ...with and SCI/CI Poly eligibility. If you...Work experience placementFlexible hours
- ...Description *Active TS/SCI w/ FS Poly required prior to application The Front... ...-End (Angular) Software Engineer will design and develop complex... ...is a hands-on developer with significant experience in... ...components that align with the system design patterns. ...Full time
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