Senior Systems Engineer – TS/SCI

Xcelerate Solutions

. Lead design, engineering, development, and deployment of software supporting the DIA-NMEC DOMEX Technology Platform .

Posted 10/2/2026full-timeBethesda • Maryland • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in leading software development projects, particularly in Agile environments, with a strong focus on requirements analysis, system integration, and continuous process improvement. Proficient in managing product backlogs and collaborating with cross-functional teams to deliver high-quality software solutions.

Highest-signal resume keywords

Agile MethodologiesJava or Python DevelopmentRequirements Analysis and Design DocumentationGitLab, Jira, and ConfluenceTop Secret Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentSystems EngineeringRequirements AnalysisSystem IntegrationAgile ScrumBacklog ManagementAutomated TestingCloud InfrastructureMessage-Passing SystemsContainerization

Soft Skills

Excellent Communication SkillsCross-Functional CollaborationExpectation ManagementMentoring

Tools & Technologies

GitLabJiraConfluenceKafkaPostgreSQLDockerCI/CDGraphQLKubernetesAWS

Certifications & Qualifications

Active Top Secret Security Clearance

Industry Keywords

Agile Software DevelopmentProduct OwnerContinuous Process ImprovementSystem TestingProduction Systems

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsDockerElasticSearchGraphQLJavaKafkaKubernetesPostgresPythonTerraformTypeScript

About the role

Key responsibilities & impact

Lead design, engineering, development, and deployment of software supporting the DIA-NMEC DOMEX Technology Platform
Decompose high-priority product-roadmap requirements into delivered solutions
Execute requirements analysis, design, system integration, and system testing
Lead an application team maintaining continuous software enhancements and deployments
Manage risks, escalate impediments, and drive continuous process improvement
Manage, direct, coordinate, and technically guide the team’s development efforts
Plan, design, and oversee implementation of software development solutions
Support feature and requirements analysis, implementation planning, integration and testing, sustainment, documentation, deployment, and system assessment
Collaborate with development teams to create integrations with other systems and applications
Develop, manage, and improve the Agile Scrum team backlog
Update and prioritize stories and epics based on stakeholder feedback
Support SAFe program increment planning and execution using GitLab work tickets and program/system documentation
Lead and participate in Agile ceremonies, including standups, planning, reviews, and retrospectives
Identify and remove impediments and dependencies
Refine backlog items, acceptance criteria, and complexity estimates
Accept or reject completed work against defined acceptance criteria
Lead backend system and service design and architecture
Drive scalability, reliability, and performance initiatives
Develop and review requirements, design, architecture, and RFC documentation
Coordinate automated system integration testing with the Test Team
Manage project priorities, deliverables, and deadlines
Provide software-component input on system design, trade-offs, reuse, COTS/GOTS, and requirements synthesis
Foster collaboration to deliver quality products and services
Mentor mid-level and junior engineers

Requirements

What you’ll need

BS in Engineering, Computer Science, Systems Engineering, or related field and 12–15 years of prior relevant experience, or a Master's degree with 10–13 years of prior relevant experience
Additional years of experience in lieu of degree are acceptable
Active Top Secret security clearance with the ability to obtain and maintain TS/SCI with Polygraph
Software development experience in Java or Python
Experience as a Systems Engineer, Product Owner, or similar role in an Agile software development team
Experience with requirements and design documentation, including process flow diagrams
Ability to break down complex problems into actionable steps
Experience managing and prioritizing product backlogs
Strong understanding of Agile methodologies
Experience with GitLab, Jira, and Confluence
Experience facilitating Scrum ceremonies, including planning, retrospectives, grooming, and reviews/demos
Excellent verbal and written communication skills for technical and non-technical audiences
Ability to work cross-functionally with engineering, design, and project management teams
Ability to manage expectations and maintain relationships with government and contractor stakeholders
Preferred: Kafka or other message-passing systems
Preferred: production/enterprise systems
Preferred: cloud infrastructure
Preferred: Appian or other low-code technologies
Preferred: PostgreSQL, Docker/containerization, CI/CD, GraphQL, Keycloak, Kubernetes, Elasticsearch, Terraform, Pulumi, AWS, distributed systems, and automated testing

Benefits

Comp & perks

Flexible schedule with occasional remote work
Professional development opportunities
Growth and development opportunities
Reasonable accommodations for applicants or employees with disabilities
Equal Employment Opportunity/Affirmative Action workplace commitment