Senior Software Engineer

Senior Software Engineer
Location: Chantilly, Virginia
Security Clearance: Active TS/SCI with Polygraph Required
Job Type: Full-Time

The selected candidate will provide senior-level software engineering support for the design, development, integration, and maintenance of mission-critical applications and systems in a secure technical environment. The role requires advanced knowledge of software development, systems engineering, cloud technologies, and system performance optimization.

• Bachelor’s degree and a minimum of six (6) years of relevant experience; OR
• Ten (10) years of related professional experience in lieu of a degree
• Minimum of six (6) years of software engineering experience
• Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Polygraph
• Demonstrated experience supporting complex technical and operational environments

• Design, develop, test, and maintain enterprise software systems and applications
• Analyze software and system requirements to develop technical solutions that meet operational objectives
• Evaluate and improve software performance, scalability, reliability, and maintainability
• Develop system specifications, technical documentation, and implementation plans
• Coordinate with engineers, analysts, developers, and stakeholders to support system integration and deployment
• Modify and enhance existing software applications to improve functionality and resolve system issues
• Analyze interfaces between hardware and software systems and define performance requirements
• Support installation, configuration, testing, and maintenance of software systems and applications
• Develop and maintain applications within cloud-based environments, including modernization of legacy systems
• Estimate software development schedules, technical risks, and resource requirements
• Apply advanced analytical and engineering methods to evaluate system performance and software outcomes
• Provide technical leadership, mentoring, and guidance to junior engineering staff and development teams
• Support troubleshooting, root cause analysis, and resolution of complex technical issues

• Advanced knowledge of software engineering principles, programming, and systems analysis
• Experience developing applications in cloud and enterprise environments
• Ability to analyze user requirements and translate them into technical solutions
• Experience with software testing, debugging, and performance optimization
• Strong analytical, organizational, and problem‑solving skills
• Excellent written and verbal communication skills
• Ability to work independently and collaboratively in a fast-paced technical environment

Experience or familiarity with one or more of the following technologies or tools is desirable:

• Programming languages and software development frameworks
• Web application development technologies including HTML, JavaScript, Apache Struts, and Ruby on Rails
• Software testing, usability testing, and defect tracking tools including Mercury Interactive Load Runner
• Source code editors and software development environments
• Desktop computing systems, high‑end servers, and application server technologies

A dynamic, quality-focused small business providing innovative and mission‑oriented solutions to government and commercial customers. The organization supports defense, intelligence, civilian, and commercial sectors through a team of experienced professionals and subject matter experts.

Our client offers a comprehensive benefits package to support employee well‑being, financial security, professional growth, and work‑life balance. Benefits may include:

• Flexible Time Off
  Employees are encouraged to manage their time responsibly while meeting work requirements and maintaining productivity.
• Hybrid Work Environment
  Flexible work arrangements may include a combination of remote and onsite work opportunities based on operational needs.
• Retirement Savings Plan
  Retirement benefits may include participation in a 401(k) savings program with employer contributions.
• Paid Parental Leave
  Paid leave is…