Senior Software Engineer - DoD Secure Systems

Booz Allen Hamilton; Suffolk (VA); On-site; USD 87,000 - 198,000; Full time

Job summary

Booz Allen Hamilton is seeking a Software Developer and System Administrator to support DoD missions from Virginia. You will modernize and sustain enterprise applications, implement secure coding practices, and ensure interoperability across approved environments.

The role emphasizes RMF alignment, documentation, and ongoing system improvements. Applicants should bring DoD experience, an active Secret clearance, and a track record of translating mission needs into robust software solutions.

Qualifications

• Experience executing or supporting RMF activities and the ATO lifecycle for DoD information systems.
• Experience translating mission requirements into application features, specifications, or technical designs.
• Experience writing, modifying, and maintaining source code, and developing software design plans, technical analyses, unit tests, test scripts, and supporting documentation.
• Experience evaluating existing systems or components to identify modernization, reuse, integration, or redesign opportunities.
• Experience supporting STIG or RMF-aligned patching, remediation, and compliance workflows.
• Knowledge of secure coding practices.
• Ability to produce and maintain complete software and database documentation, including source code artifacts, deployment instructions, and technical documentation.
• Secret clearance.
• Associate’s degree and 10+ years of experience in software development and cybersecurity, or Bachelor’s degree in CS, Software Engineering, Information Systems Management, or IT and 6+ years of experience in software development and cybersecurity.
• Defense Cyber Workforce Role 451 System Administrator Certification

Responsibilities

• Modernize and improve large-scale DoD-focused software ecosystems by supporting application sustainment, secure coding, remediation tasks, validation testing, and refining codebases.
• Translate requirements into functional software, develop features, support secure changes, perform testing, and update tools to stay secure and aligned with evolving DoD needs.
• Advance enterprise applications enabling training, planning, education, and readiness across DoD organizations.

Skills

RMF experience

Requirements translation

Secure coding

Documentation

Software development

DoD knowledge

Cybersecurity

System administration

Education

Associate degree + 10+ years

Bachelor’s degree in CS/IT + 6+ years

Tools

GSEC

Security+ CE

SSCP

CCNA Security

CISM

CISSP

Job description

Booz Allen Hamilton is seeking a Software Developer and System Administrator to support DoD missions from Virginia. You will modernize and sustain enterprise applications, implement secure coding practices, and ensure interoperability across approved environments.

The role emphasizes RMF alignment, documentation, and ongoing system improvements. Applicants should bring DoD experience, an active Secret clearance, and a track record of translating mission needs into robust software solutions.