Diligent Consulting Inc

Security Monitoring Specialist (SIEM, ZTA tools)

GPO - Remote - Full Time

Job Title: Security Monitoring Specialist (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 Security Monitoring Specialist to support the Government Publishing Office (GPO) as part of its SecDevOps Program — a forward-leaning cybersecurity modernization initiative focused on enhancing enterprise security posture through the implementation of Zero Trust Architecture (ZTA), CI/CD pipelines, and secure DevOps practices.

This role plays a key part in GPO’s mission to protect the confidentiality, integrity, and availability of its digital services and infrastructure. The Security Monitoring Specialist will be responsible for refining and tuning Zero Trust security monitoring systems to validate user and device trust on an ongoing basis.

Key Responsibilities:

  • Monitor and tune ZTA (Zero Trust Architecture) policies and telemetry to ensure continuous validation of users and devices.

  • Refine and optimize Microsoft Sentinel rules and detections for real-time alerting.

  • Correlate user identity and endpoint behavior across platforms to identify anomalies.

  • Validate device compliance and security posture in alignment with GPO’s policies.

  • Support the implementation and improvement of anomaly detection techniques using identity, device, and access data.

  • Collaborate with cyber teams to enhance automation and threat detection capabilities.

Minimum Qualifications:

  • Bachelor’s degree in Cybersecurity, Information Technology, or a related field.

  • Demonstrated experience with SIEM tools (preferably Microsoft Sentinel), identity and endpoint behavior analysis, and Zero Trust implementations.

  • Ability to interpret security telemetry and correlate it across multiple sources for threat identification.

  • Must be a U.S. Citizen and able to obtain and maintain a Public Trust clearance (and higher, if required).

  • Reside within commuting distance of Washington, D.C. for required onsite meetings.

Preferred Qualifications:

  • Microsoft SC-200 (Microsoft Security Operations Analyst) certification or equivalent.

  • Experience in federal government or public-sector cybersecurity operations.

  • Familiarity with ZTA principles, NIST 800-207, and device trust frameworks.

Why Join Diligent?
Diligent Consulting Inc. is a mission-focused IT and cybersecurity services provider supporting complex federal environments. Join a team dedicated to protecting government digital assets through innovation, expertise, and secure DevOps practices.

Apply: Security Monitoring Specialist (SIEM, ZTA tools)
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