Full-Time

Senior Systems Engineer

Ts/Sci

Posted on 9/27/2025

Xcelerate Solutions

Xcelerate Solutions

201-500 employees

Security, consulting, and digital transformation services

No salary listed

Bethesda, MD, USA

Hybrid

US Top Secret Clearance Required

Category
Engineering Management (2)
,
Requirements
  • BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 6+ years in software development, system engineering or related field
  • Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph
  • At least 4+ years’ experience working as a systems engineer
  • Experience with creating design packages and workflows
  • Experience in writing technical solutions and whitepapers
  • Experience/knowledge of key Agile processes and techniques
  • Experience with facilitating scrum for the team (Planning, Retrospective, Grooming & Review/Demo)
  • Experience with Gitlab (workflow), JIRA, and Confluence
  • Ability to track and produce key metrics
  • Ability to work well with people from many different disciplines with varying degrees of technical experience
  • Excellent verbal and written communication skills
  • Ability to multi-task and work in a dynamic, fast-paced environment
  • Demonstrated ability to participate in cross-functional planning, coordination, and task execution
  • Familiarity with a MBSE approach and tools or experience with framework/approach like MBSE
Responsibilities
  • 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
  • Perform systems engineering tasks within time-boxed (e.g., agile) sprints and releases. Support sprint and release planning activities as well as the creation of and/or input to work tickets (e.g., JIRA) as well as program/system documentation using collaboration software (e.g., Confluence)
  • Support and employ MBSE approach for systems planning, design, execution, and sustainment in coordination with the Lead SE and SE team members
  • Help to define processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility
  • Assist in the development and maintenance of systems engineering documentation and diagrams/models working in coordination/collaboration with Lead SE and SE team members
  • Assist in establishing SE processes and tools to accomplish analysis, problem diagnosis and solution design, integration and test preparation, risk assessment and mitigation planning, and related activities
  • Obtain solid understanding of software features in order to plan for current and upcoming releases
  • Assist with daily scrums and document minutes/actions/status
  • Hold Agile ceremony meetings with the software development team
  • Participate in release planning, scrum of scrums, bug triage and other pertinent meetings
  • Coordinate with test team members on release/hotfix testing
  • Report release status to PM staff and Customer as needed
  • Assist with resolution of technical issues that adversely impact successful product delivery
  • Assist with identifying and supporting external dependencies where needed
Desired Qualifications
  • Software development/coding experience with programming languages such as Python, Java, and React
  • Experience with database systems, search engines, model view controller (MVC); web applications
  • Experience in a Linux Red Hat and Centos environment
  • Experience with big data applications
  • Technical degree and/or certifications
  • Scaled Agile Framework certification (SAFe Agilist or other)
  • Familiarity with continuous integration/continuous development tools (Jenkins, Bamboo, or equivalent)

Xcelerate Solutions helps organizations manage risk for people and systems across three service areas: Enterprise Security, Strategic Consulting, and Digital Transformation. Its offerings include security programs, risk assessments, strategic guidance, and technology-enabled transformations that protect personnel, physical assets, and cyber infrastructure while speeding up value delivery. The company differentiates itself by providing an integrated, end-to-end portfolio that combines security expertise, strategic oversight, and practical digital-change initiatives under one umbrella, rather than offering a narrow, single-solution approach. Its goal is to improve security and resilience for America’s personnel, facilities, and digital networks and to deliver results more quickly by aligning risk management with actionable transformations.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

McLean, Virginia

Founded

2009

Simplify Jobs

Simplify's Take

What believers are saying

  • Federal civilian portfolio expansion under Jeffrey Keen drives DHS, FBI, NRC contract growth.
  • clearAvenue acquisition strengthens enterprise vetting capabilities and competitive positioning in security.
  • Donald Ross's TSA and DHS expertise accelerates homeland security and State Department market penetration.

What critics are saying

  • VMD Corp and clearAvenue integrations fail, eroding operational efficiency and client retention.
  • CACI and Leidos outcompete Xcelerate on DoD and intelligence community contracts using scale.
  • McNally Capital exits investment due to stagnant revenue growth below $250M, forcing restructuring.

What makes Xcelerate Solutions unique

  • Integrated enterprise security, vetting, and critical infrastructure protection across federal agencies.
  • GSA NextGen Login.gov BPA vendor with Socure for identity proofing across three functional areas.
  • Recent leadership appointments bring 100+ years combined federal contracting and defense sector experience.

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Benefits

Hybrid Work Options

Professional Development Budget

Company News

readmagazine.com
Mar 25th, 2026
Xcelerate Solutions appoints Jeffrey Keen as Senior Vice President of Federal Civilian Programs.

Xcelerate Solutions appoints Jeffrey Keen as Senior Vice President of Federal Civilian Programs. March 25, 2026 Xcelerate Solutions, a leading defense and national security company, announced the appointment of Jeffrey A. Keen as Senior Vice President of Federal Civilian Programs, where he will lead the company's strategy, operations, and growth across its federal civilian portfolio. In this role, Keen will oversee program delivery and business development initiatives supporting civilian government customers, strengthening partnerships, and advancing solutions that modernize IT infrastructure, enhance mission performance, and improve service delivery across federal agencies. "Jeff brings an exceptional combination of operational leadership and deep experience across the federal civilian landscape," said Mark Drever, CEO of Xcelerate Solutions. "His proven ability to manage complex programs, lead high-performing teams, and build trusted government partnerships will be instrumental as we continue expanding our civilian programs." Keen brings more than two decades of leadership experience in federal contracting, program management, and strategic growth. Most recently, he served as Senior Vice President of Federal Civilian Enterprise Solutions at CACI, where he supported the integration of Applied Insight following its acquisition and helped lead operations and growth initiatives across the company's civilian enterprise portfolio. Previously, Keen served as Senior Vice President and General Manager at Applied Insight, where he oversaw a large operating portfolio supporting both federal civilian and Department of War customers. Throughout his career, he has led programs supporting agencies including the Defense Health Agency, U.S. Air Force, Department of Homeland Security, Federal Bureau of Investigation, U.S. Marshals Service, U.S. Courts, Nuclear Regulatory Commission, U.S. Capitol Police, and U.S. Coast Guard, managing teams delivering communications support services, training, cloud services, infrastructure modernization, cybersecurity, and enterprise IT support.

PR Newswire
Mar 24th, 2026
Xcelerate Solutions appoints Jeffrey Keen as senior vice president of federal civilian programs

Xcelerate Solutions, a defence and national security company, has appointed Jeffrey A. Keen as Senior Vice President of Federal Civilian Programs. Keen will lead strategy, operations and growth across the company's federal civilian portfolio, overseeing programme delivery and business development for civilian government customers. Keen brings over 20 years of experience in federal contracting and programme management. He previously served as Senior Vice President of Federal Civilian Enterprise Solutions at CACI, where he supported Applied Insight's integration following its acquisition. Before that, he was Senior Vice President and General Manager at Applied Insight, managing programmes for agencies including the Defence Health Agency, Department of Homeland Security, FBI and Nuclear Regulatory Commission. Xcelerate Solutions provides integrated solutions for federal clients across homeland security, defence and intelligence community operations.

Homeland Security Today
Oct 7th, 2025
Xcelerate Solutions Acquires clearAvenue

Xcelerate Solutions acquires clearAvenue.

PR Newswire
Oct 7th, 2025
Xcelerate Solutions Acquires clearAvenue

/PRNewswire/ -- Xcelerate Solutions ("Xcelerate"), a leading defense and national security company and portfolio company of McNally Capital, today announced it...

PR Newswire
Aug 5th, 2025
Xcelerate Solutions Appoints Doug Kollme as Chief Financial Officer

MCLEAN, Va., Aug. 5, 2025 /PRNewswire/ - Xcelerate Solutions, a leading provider of mission-driven solutions for the defense, intelligence, and homeland security communities, is excited to announce the appointment of Doug Kollme as Chief Financial Officer (CFO).

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