Job Title: Security Engineer (Contingent Upon Award) Hiring Company: Diligent Consulting Inc. Client: Government Publishing Office (GPO) Location: Washington, D.C. (Hybrid/On-site) Remote: Must reside within commuting distance of GPO HQ in Washington, D.C. for required monthly and ad hoc in-person meetings Clearance: Public Trust or ability to obtain (higher clearance may be required) Estimated Period of Performance: September 1, 2025 – September 30, 2029 Overview: This position is contingent upon contract award. Diligent Consulting Inc. is seeking a skilled Security Engineer to support the Government Publishing Office (GPO) under the SecDevOps Program , a federal cybersecurity modernization effort. This program enhances GPO’s enterprise security posture through the implementation of Zero Trust Architecture (ZTA) , secure DevOps practices , and continuous integration/continuous deployment (CI/CD) pipelines. As a Security Engineer, you will be responsible for implementing and managing key security technologies and controls aligned with both Zero Trust enforcement and Risk Management Framework (RMF) objectives. Key Responsibilities: Deploy, configure, and manage Microsoft Sentinel , Microsoft Defender , and Zscaler .

Implement and enforce Conditional Access policies to support identity- and device-based trust enforcement.

Design and manage technical security control implementations that support RMF compliance .

Document control implementations and test results for audits, assessments, and compliance tracking.

Collaborate with other security engineers, compliance analysts, and system administrators to ensure integrated, mission-aligned solutions.

Support incident response teams with security tool insights and enhancements when needed.

Minimum Qualifications: Education: Bachelor's degree in Computer Science , Information Systems , Business , or a related field.

Experience: 10 years of related technical experience in cybersecurity engineering, enterprise security architecture, or security operations.

Certifications (Preferred): Microsoft SC-200 , CompTIA Security+ , or CISSP

Other Requirements: U.S. Citizenship required.

Ability to obtain and maintain a Public Trust Security Clearance (or higher, as required).

Reside within commuting distance of Washington, D.C. for required on-site activities.

Why Join Diligent? Diligent Consulting Inc. is a veteran-owned, mission-focused IT and cybersecurity services provider. Supporting the GPO’s SecDevOps initiative means helping modernize and protect federal digital infrastructure. You'll join a collaborative team of experts working to implement secure, cutting-edge solutions that enable government transparency and resilience.

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