Security Architect

SteerBridge•Vienna, VA

About The Position

SteerBridge Strategies is a modern technology company delivering innovative, missionâfocused solutions to the U.S. Government and private sector. Leveraging deep expertise in federal acquisition, digital transformation, and emerging technologies, we deliver agile, commercialâgrade capabilities that accelerate operational effectiveness and drive measurable mission success. At the core of SteerBridge is our peopleâespecially the veterans whose leadership, problemâsolving mindset, and commitment to excellence elevate every project we support. We donât simply hire exceptional talent; we cultivate it, creating meaningful career pathways for veterans, military spouses, and professionals who share our passion for advancing technology and strengthening the missions we serve.

Requirements

U.S. Citizen
Bachelorâs or masterâs degree in Cybersecurity, Information Systems, or a related field
Active Secret security clearance or the ability to obtain one
10+ years of cybersecurity architecture experience in federal or large enterprise environments
Deep expertise in DoD Instructions (DoDI), CNSSI 1253, NIST SP 800-53, DoD CC SRG
Proven experience implementing STIGs and developing ATO packages, including leading security authorization activities
Strong knowledge of system hardening, network security, encryption protocols, and secure SDLC practices
Experience securing cloud platforms such as AWS, Azure, and/or GCP in regulated environments

Nice To Haves

One or more of the following certifications: CAP, CASP, CISM, CISSP GSLC
Experience with DoD-specific security requirements and IT systems
Strong written and verbal communication skills with the ability to produce audit-ready documentation
Experience coordinating with ISSOs, ISSEs, and federal security teams

Responsibilities

Architect secure cloud and hybrid solutions supporting DoD mission and data systems
Develop, maintain, and own System Security Plans (SSPs) and all supporting RMF artifacts
Lead all phases of the ATO process, from system categorization through continuous monitoring
Apply and interpret CNSSI 1253 and NIST SP 800-53 controls across system and data environments
Ensure security designs meet Impact Level 4+ cybersecurity requirements
Conduct security risk assessments, gap analyses, and vulnerability remediation planning
Collaborate with engineering, infrastructure, and compliance teams to enforce secure-by-design principles
Manage security documentation, policies, procedures, and control evidence
Support security audits, penetration testing coordination, and incident response planning
Serve as a subject matter expert for data protection, encryption, and identity and access management (IAM)
Employees in this role are responsible for safeguarding sensitive information and must adhere to all organizational security and privacy policies, ensuring the protection, proper handling, and confidentiality of data at all times.