Senior Systems Engineer - TS/SCI
Xcelerate Solutions
DescriptionSenior Systems Engineer (Hybrid) - TS/SCI Xcelerate Solutions has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program as well as DIA-OSIC’s mission to centralize and standardize Tasking, Collection, Processing, Exploitation and Dissemination (TCPED) of Open Source Intelligence (OSINT) across the DoD and IC enterprise. This position provides an opportunity to have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. The selected individual will work closely with the Lead Systems Engineer, Release Train Engineer, and government leads to decompose high priority requirements from the product roadmap into valuable delivered solutions, executing on requirements analysis, design, system integration, and system testing.As a Senior Systems Engineer you will lead an application team responsible for maintaining the continuous flow of new software enhancements and deployments, while you manage risks, escalate impediments, and help to drive continuous process improvement. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. Come join our award-winning organization and work with some of the most talented and brightest minds in the GovCon industry.Location: Bethesda, MD (Hybrid)Security Clearance: TS/SCIResponsibilities Manage, direct, coordinate, and provide technical direction for all aspects of the team’s development efforts.Plan, design, and oversee implementation of software development solutions. Provide technical support, coordination, and execution of systems engineering activities such as feature/requirements analysis, design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment.Ensure sound engineering practices are followed.Provide direction for interpretation and application of policies and procedures to the engineering and development activitiesDevelop a working knowledge of government business processes and provide recommendations accordingly.Collaborate with other development teams to identify and develop high-value integrations with other systems/applications.Develop, manage and continually improve the backlog of work items for an Agile scrum team. Update and prioritize stories and epics via feedback from various program stakeholders ensuring the team is always working on the highest-value tasks.Support Scaled Agile Framework (SAFe) program increment planning and execution through creation of work tickets in GitLab as well as program/system documentation using collaboration software (e.g., GitLab wiki). Lead/participate in all Agile ceremonies to include daily stand up, planning, reviews, and retrospectives.Stay informed of increment and sprint progress and work with the team to identify and remove impediments and dependencies.Perform backlog refinement on a regular basis. This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant.Accept or reject completed work based on defined acceptance criteria to ensure delivery of high-quality software.Lead the design and architecture of backend systems and services.Drive initiatives across the engineering team related to scalability, reliability, and performance.Develop requirements and design documentsContribute to and review RFCs, and requirements, design, and architecture reviewsCoordinate with Test Team to develop and monitor automated system integration tests to identify failed modules and componentsManage individual project priorities, deliverables, and deadlinesProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software componentsFoster an environment of collaboration with the different team members in the goal of providing quality service and product to our customersAct as a mentor to mid-level and junior engineers, offering guidance on best practices and career growthMinimum Requirement BS in Engineering, Computer Science, Systems Engineering, or related field and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. Additional years of experience in lieu of degree are acceptableMust have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph.Software development experience in languages such as Java or Python.Experience as a Systems Enginer, Product Owner, or a similar role in an Agile software development team.Experience with requirements and design documentation, including process flow diagrams.Demonstrated ability to break down complex problems into actionable steps.Experience managing and prioritizing product backlogs effectively.Strong understanding of Agile methodologies, and experience with tools like Gitlab, Jira, and Confluence.Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo).Excellent communication skills (verbal and written) to articulate technical and non-technical concepts to diverse audiences.Proven ability to work cross-functionally with engineering, design, and project management teams.Demonstrated ability to manage expectations and maintain strong relationships with government and contractor stakeholders.Preferred Qualification Experience with Kafka or other message passing systemsExperience on a production/enterprise systemCloud infrastructure experienceExperience with Appian or other low-code software technologiesExperience with any of the following technologies:PostgreSQLContainerization, especially with DockerDevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or JenkinsGraphQLKeycloakProactive in identifying tech debt, systemic issues, and areas for team/process improvementExpertise building and maintaining microservices in production in KubernetesUnderstanding of Elasticsearch internals: sharding, performance tuning, analyzers, query DSLElasticsearch certifications or other program stack related certificationsStrong Kafka experience: event design, stream processing, performance tuningFamiliarity with schema registries and Kafka streaming patternsFamiliarity with authentication and authorization products such as KeycloakExperience with security best practices for services: authN/Z, secrets management, data protectionGraphQL familiarityHardware on-prem and cloud-based deployments using KubernetesProficiency with infrastructure-as-code (ie CloudFormation, Terraform, Pulumi)Experience of a production/enterprise systems at scaleKnowledge of distributed systems concepts (e.g., idempotency, eventual consistency)Experience leading technical projects and mentoring engineersStrong testing discipline with a focus on automation, coverage, and CI/CD pipelinesHands-on development and/or scripting experience, especially Java and PythonExperience with AWS cloud-based architecture, services, and software developmentAbout Xcelerate Solutions: Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions ( is one of America's fastest-growing companies. Xcelerate’s culture is defined by our diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Come find out why Xcelerate Solutions is one of the DC Metro top employers! Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodations if needed because of an applicant's or an employee's disability. Pay Transparency Notice: Xcelerate Solutions will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.
- ...Description Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions... ...environment (CE) certification) Clearance Active TS/SCI clearance Active CI Polygraph or willing to obtain one...SeniorShift work
- Xcelerate Solutions seeks a TS/SCI cleared Senior Systems Engineer in Bethesda, MD to drive design, engineering, development and deployment of software supporting the DOMEX Platform for the DIA-NMEC program. The role involves leading a cross-functional team, decomposing...SeniorLong term contractRemote work
- ...Description Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or... ...relevant professional experience • Must have an active TS/SCI with Counterintelligence Poly • Experience in...SeniorWork at officeRemote workFlexible hours
- ...Description Job Description Riptide Technology is seeking a Senior Systems Engineer to support Research and Development (R&D) work at the... ...position will require U.S. citizenship and an active DoD TS/SCI clearance. The position requires the ability to obtain and...SeniorTemporary workImmediate start
$164.38k - $180.72k
...Systems EngineerTransform technology into opportunity with GDIT. A career in enterprise IT... ...people are our differentiator. As a Systems Engineer, you will help ensure today is safe and... ...) Level II roleSecurity Clearance Level: TS/SCI with polygraphWorking technical...SeniorTemporary workLocal areaRemote workFlexible hours- ...Job Description Job Description Systems Engineer ???? Bethesda, MD | McLean, VA | Chantilly... ...planning activities. REQUIREMENTS: TS/SCI clearance with polygraph required ,... ...experience Master's + 2 years experience Senior Level: HS/GED + 10 years experience...Full time
- DescriptionSystems Engineer - HPC & GPU Infrastructure - TS/SCI Xcelerate Solution is looking for a mid-career Systems Engineer (Mid-Career) - HPC & GPU Infrastructure with a deep understanding of operating systems, hardware, Kubernetes, and NVIDIA GPU products. As a Systems...
- DescriptionEnterprise Architect/ Systems Engineer - TS/SCI with CI Poly Xcelerate Solutionsis seeking an experienced, results oriented Information... ...work in small teams or independently.Experience supporting senior government civilians.Ability to gather requirements from...
- ...Job Description Job Description Systems Test Engineer ???? Bethesda, MD | McLean, VA | Chantilly... ...and maturity level. REQUIREMENTS: TS/SCI clearance with polygraph required , including... ...Master's + 2 years experience Senior Level: HS/GED + 10 years experience...Full time
- DescriptionSystems and Platform Engineer - TS/SCI Xcelerate Solutions is looking for a highly skilled platform engineer with deep expertise in operating systems, hardware, GPU, and high-speed networking. In this role, you will design, develop, and optimize Kubernetes clusters...
$164.38k - $274.52k
...Systems Engineer SME (TS/SCI with Poly Required) Job Category : IT Infrastructure and Operations Requisition Number : SYSTE002270 Posted : August 21, 2026 Full-Time On-site Salary Range : $164,382.40 USD to $274,518.40 USD GCI embodies excellence...Full timeWork experience placement$150k - $250k
...Job Description Job Description Seeking a mid-level Systems Engineer for a full-time position, contingent on program approval. The level... ...site in Arlington, VA. Clearance Requirement: Active TS/SCI Salary range for the position is $150,000 - $250,000 per...Full time$89.6k - $204k
Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting opportunity for Systems Engineers... ...and fix 1st-tier technical issues, or escalate them to senior engineers. • Documentation: Create and maintain accurate...Work at officeLocal area$89.6k - $204k
Cybersecurity Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting opportunity for Cybersecurity... .... The Cybersecurity Systems Engineer supports senior staff in maintaining and securing an organization's IT...Work at officeLocal area- ...SME Systems Engineer GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high... ...candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. Equal Opportunity Employer /...Work experience placement
- ...Description Vexterra Group is currently searching for a TS/SCI cleared Hardware Exploitation Engineer to provide the following engineering support:... ...Solid understanding of programming language and operating system concepts and experience with assembly languages, such...SeniorContract workFor contractorsWork experience placement
- ...Description Job Description Technical Lead (Systems Engineer) ???? Bethesda, MD | McLean, VA |... ...you. Position Overview: Provides senior technical leadership for systems... ...and other initiatives. REQUIREMENTS: TS/SCI clearance with polygraph required , including...Full time
- ...Job Description JOB DESCRIPTION We are seeking a hands-on Systems Engineer (SME) with deep expertise across infrastructure, platforms,... ...) to implement complex solutions Requirements *Eligible TS/SCI w/ FS Poly QUALIFICATION Bachelor’s Degree in Computer...
$120k - $160k
...Description Description SAIC is seeking a Senior Systems Engineer. Job Duties Provide technical analysis and... ...years of experience accepted in lieu of degree. Must have a TS/SCI with the ability to obtain a CI polygraph. Must have at...SeniorWork at office$131.3k - $237.35k
...technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX...SeniorContract workRemote workFlexible hours$160k - $235k
...just another tech company. We're a community of innovators, engineers, analysts and business professionals working together with... ...ABSC has an exciting opening for you as our next TS/SCI Senior Systems Engineer supporting DIA's National Digital Exploitation and...SeniorContract workRemote workFlexible hours$131.3k - $237.35k
...Description Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer ,to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology...SeniorContract workFor contractorsLocal areaImmediate startRemote workFlexible hours- ...Description Xcelerate Solutions is seeking a Senior GPU Platform Engineer to design, develop, and optimize... ..., MD Security Clearance: TS/SCI and willingness to get a Poly.... ...are also adaptable to other operating systems. Operating System Integration: Work...Senior
- DescriptionSenior Software Engineer - TS/SCI Xcelerate Solutions has an exciting opening for you as our next TS/SCI cleared Software Engineer... ...Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering...SeniorContract workRemote workFlexible hours
- ...Job Description Job Description Senior ServiceNow (SNOW) Scrum Master – TS/SCI CI Poly Department: Government Customer – Bethesda Location: Bethesda, MD ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION We are seeking a...SeniorFor contractors
$150k - $250k
...D.C. (On-site) Clearance: TS required (SCI eligibility required) Position... ...role directly supporting senior Department of the Air Force... ...intersection of policy, engineering, and program protection , ensuring... ...and evaluate hardware systems and supporting architectures...Senior- ...Job Description Job Description Vexterra Group is currently searching for a TS/SCI cleared network engineer to provide the following database system support: Primary Responsibilities Provide network project engineering support to replace and consolidate End...SeniorLocal area
- ...Job Description Job Description Senior Policy Analyst ???? Bethesda, MD ???? Full Time | On Site Join Synertex LLC and bring... ...to customer deliverable reports. REQUIREMENTS: ~ Active TS/SCI with poly is required. ~ Minimum Education: B.S. or relevant experience...SeniorFull timeContract workFor contractors
- ...Job Description SOFTWARE REVERSE ENGINEER Vexterra Group is searching for a Senior Software Reverse Engineer support... ...the boot process, kernel, and system internals to devise novel solutions... ...SECURITY CLEARANCE ~ Active TS SCI + CI Polygraph QUALIFICATIONS...SeniorFor contractors
- ...Technology (IT) Enterprise Architect or Systems Engineer to join our team in the Bethesda,... ...independently.• Experience supporting senior government civilians.• Ability to gather... ...Required SkillsBasic Qualifications:• Active TS/SCI security clearance with polygraph.• BS...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Engineer - TS/SCI. Be the first to apply!
- sr systems engineer Bethesda, MD
- senior linux systems engineer Bethesda, MD
- mission system engineer Bethesda, MD
- operations support system engineer Bethesda, MD
- healthcare systems engineer Bethesda, MD
- senior staff systems engineer Bethesda, MD
- operating system engineer Bethesda, MD
- senior windows systems engineer Bethesda, MD
- advanced systems engineer Bethesda, MD
- computer system validation engineer Bethesda, MD



