C4PS-2510 Cybersecurity Engineer - Tactical Communications Systems - DEC 2026

C4 Planning Solutions, LLC•Camp Pendleton North, CA

12h•$90,000 - $110,000•Onsite

About The Position

The Cybersecurity Engineer provides cybersecurity engineering, vulnerability management, and system-hardening support for Marine Corps tactical communications systems, including MCWS-H/L, MCWS-X, SCAR, NGT, and LRS. The role is responsible for identifying and mitigating vulnerabilities, maintaining security compliance, and supporting the operational readiness of critical communications systems. This is a full-time, on-site position at the Government Customer Site in Camp Pendleton, California. An active security clearance is required, and travel is required. The employee must be able to obtain or possess a valid U.S. passport and be physically qualified to support military exercises and contingency operations. The position requires willingness to work in a 24x7x365 secured environment and to accommodate flexible scheduling. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Duties and responsibilities may change at any time with or without notice.

Requirements

Active security clearance.
CompTIA Security+ certification.
The position listing states 5+ years of experience; the qualifications section specifies 3–5 years of experience in cybersecurity engineering, vulnerability management, systems administration, or a related technical field.
Hands-on experience conducting credentialed vulnerability scans and implementing remediation using ACAS, Tenable Nessus, or equivalent tools.
Working knowledge of DISA STIGs, SRGs, DoD cybersecurity standards, and system-hardening procedures.
Experience securing, patching, troubleshooting, and maintaining Windows operating systems and software images.
Strong understanding of TCP/IP networking, Ethernet, network switches, routers, and IP-based communications infrastructure.
Familiarity with DoD RMF, continuous monitoring, and IAVM processes.
Ability to assess cybersecurity vulnerabilities, implement effective mitigations, and maintain operational system functionality.
Experience preparing technical documentation, vulnerability reports, and security configuration procedures.
Must be able to obtain or possess a valid U.S. passport and be physically qualified to support military exercises and contingency operations.
Willingness to work in a 24x7x365 secured environment and accommodate flexible scheduling.
Adaptability to fluid environments; personal effectiveness and credibility; attention to detail; technical troubleshooting and analytical skills; ability to manage multiple priorities in a deadline-driven environment; strong written and verbal communication; and ability to collaborate across technical teams.

Nice To Haves

Experience with tactical SATCOM systems, military communications equipment, or Marine Corps C4I systems.
Familiarity with Linux, firmware security, eMASS, and cybersecurity compliance documentation.

Responsibilities

Conduct recurring credentialed vulnerability scans of tactical communications systems, including laptops, network switches, satellite modems, and IP-based communications equipment.
Analyze vulnerability findings, assess operational impacts, and develop and implement remediation or mitigation strategies.
Configure, implement, and maintain DISA Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), and system-hardening baselines.
Develop, test, and maintain secure operating system images and software patches, including validation and distribution through Government-managed repositories.
Support DoD Risk Management Framework (RMF) activities, continuous monitoring, security assessments, and cybersecurity authorization requirements.
Assess cybersecurity impacts associated with hardware, software, firmware, and system configuration changes.
Respond to Information Assurance Vulnerability Management (IAVM) notifications, cybersecurity task orders, and Government-directed security requirements.
Prepare vulnerability assessment reports, remediation documentation, and cybersecurity compliance records for Government leadership.
Coordinate with Government cybersecurity personnel and system engineers to resolve security issues while maintaining system functionality and operational readiness.