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Robin Kirkhom

@rkirkhom

Cybersecurity Engineer and IT Professional with 19+ years of combined military and defense-sector experience securing mission-critical systems.

United States

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What I'm looking for

I’m eager to apply my military and defense-sector security experience to new industries and private-sector practices, especially in organizations with comparable compliance and risk requirements.

Cybersecurity Engineer and IT Professional with 19+ years of combined military and defense-sector experience securing mission-critical systems, leading RMF/ISSO programs, and implementing enterprise-level security controls across complex DoD environments.

• Leverages industry frameworks such as NIST RMF, ISO 27001, and DoD Cybersecurity protocols to create a shared, standardized, proven foundation to build, manage, and audit security across an entire organization.

• Recognized for calm, decisive leadership in high-pressure environments, serving as ISSO, incident responder, and cross-functional advisor trusted to protect classified systems and advance cybersecurity readiness.

• When defining and implementing cyber defense strategies, applies in-depth knowledge of the unit’s strategic vision and purpose, its underlying defense principles and approach, its objectives and key capabilities, as well as its governance, compliance and risk management practices.

Experience

Work history, roles, and key accomplishments

Current

Cybersecurity Engineer

Current

Leidos Defense and Intelligence

Jan 2025 - Present (1 year 9 months)

Serves as Information Systems Security Officer, conducting risk assessments, security audits, and network security reviews. Leads Zero Trust Architecture initiatives and manages vulnerability management program.

NIST 800 53 NIST RMF NIST CSF ISO 27001 Zero Trust Architecture Tenable Nessus ACAS Splunk E MASS Vulnerability Management Risk Assessment Security Auditing Incident Response Policy Development Stakeholder Management

IT Specialist (25B) / Signal Support Systems Specialist (25U)

U.S. Army Reserve

Jan 2008 - Jan 2026 (18 years)

Served as Cybersecurity Compliance Lead, briefing soldiers on security best practices and teaching encrypted-communications. Installed and maintained satellite and radio systems, secured networks with Cisco equipment, and managed identities via Active Directory.

Cybersecurity Cisco Routers Switche VLAN Active Directory Antivirus COMSEC Satellite Communications Radio Systems Network Security

Information Systems Security Officer (ISSO)

Leidos Defense and Intelligence

Jan 2023 - Jan 2025 (2 years)

Directed cybersecurity programs in line with NIST RMF and ISO 27001, including standing up and accrediting a SCIF. Tested and validated security controls, managed documentation, and supported audits.

NIST RMF NIST 800 53 ISO 27001 E MASS Tenable Nessus DISA STIGs Security Auditing Continuous Monitoring Risk Management Security Clearance Processing

THAAD Field Engineer

Leidos Defense and Intelligence

Jan 2020 - Jan 2023 (3 years)

Delivered tactical IT support across missile defense radar sites, integrating hardware and software to maintain system operability. Configured network infrastructure and applied Cisco and Juniper routers/firewalls to secure communications.

Cisco Routers Juniper Firewalls Network Configuration System Integration Troubleshooting Hardware Software Radar Systems Communication Skills

Federal Security Officer

William Beaumont Army Medical Center

Jan 2016 - Jan 2020 (4 years)

Ran security operations and enforced access-control protocols to protect personnel and assets in a high-traffic medical facility. Monitored surveillance and alarm systems and responded to security incidents.

Access Control Surveillance Alarm Systems Incident Response Security Operations