USMC Cybersecurity Architect (Part Time)

Terrestris LLC; Jacksonville (NC); On-site; USD 82,656 - 123,984; Part time

Benefits offered by this job

Health benefits

Tuition assistance

Paid leave

Job summary

Terrestris LLC seeks a Cybersecurity Architect for the FRCS Support Services contract, on-site at Camp Lejeune, MCAS New River, and nearby locations. The role leads accreditation and RMF processes to support Marine Corps FRCS/IC-OT environments.

You will develop security policies, SSPs, and technical guidance, coordinate with systems engineers, and prepare white papers and briefs for executive audiences. A current US security clearance and CNSSI/NIST expertise are required.

Qualifications

• Current Secret clearance or above is required.
• Experience with USMC accreditations (ATO/ATC) for large architectures.
• Experience writing cybersecurity policies for IC/OT devices.
• Expert in RMF, CNSSI 1253 and related standards.
• Experience with DISA STIG and NIST/DoDI 8510.01 compliance.

Responsibilities

• Lead cybersecurity architecture accreditation, RMF, and ATO/ATC processes for FRCS/IC-OT.
• Develop and maintain security policies, SSPs, and guidance aligned with standards.
• Conduct security assessments, vulnerability and risk analyses, and POAM management.
• Coordinate engineering activities to integrate secure architecture and accreditation.
• Prepare white papers, briefs, and executive documentation on cybersecurity solutions.

Skills

Cybersecurity architecture

RMF

NIST SP 800-53

Policy development

Stakeholder advisory

Education

Master's Degree

20 years C&A/A&A experience

Tools

POA&M management

CNSSI guidance

Job description

Are you looking for a Challenge? Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a Cybersecurity Architect for the Facilities Related Control Systems (FRCS) Support Services contract. This project will provide knowledge, training, and support to assist the U.S. Marine Corps Public Works Department in the areas of FRCS, Cybersecurity, Assessment and Authorization (A&A), Authority To Operate/Authority to Connect (ATO/ATC) package upkeep and maintenance, USMC Cloud and Cloud‑Based A&A support, and data center support/administration for the FRCS virtualized environment, servers, and associated applications. This is a part‑time, on‐site position at Marine Corps Base (MCB) Camp Lejeune, Marine Corps Air Station (MCAS) New River, and satellite locations near Camp Lejeune, working 20 hours per week, Monday through Friday, within normal business hours (7:00 am to 5:00 pm).

At Terrestris, we leverage technology to create better mission outcomes through better human performance. We form strong client and team relationships through transparency and strive to create an environment where our team can let their excellence shine through. By finding, developing, and incorporating new ideas, we provide memorable services. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.

Role Overview

The Cybersecurity Architect will be a key personnel position for the Facilities Related Control Systems (FRCS) Support Services contract. This position leads cybersecurity architecture accreditation, compliance, and risk management for FRCS and IC/OT systems supporting Marine Corps. This position is contingent upon contract award.

Typical Day

• Lead the cybersecurity architecture, Risk Management Framework (RMF), and Authority to Operate/Authority to Connect (ATO/ATC) processes for FRCS and IC/OT environments, ensuring compliance with USMC cybersecurity requirements.
• Develop, implement, and maintain cybersecurity policies, system security plans, security architectures, and technical guidance aligned with NIST SP 800-53, DoDI 8510.01, CNSSI 1253, DFIA, and Marine Corps accreditation standards.
• Conduct security assessments, vulnerability and risk analyses, compliance validations, and DISA STIG reviews while developing and managing POA&Ms to remediate identified cybersecurity findings.
• Coordinate cybersecurity engineering activities with systems administrators, network engineers, and control systems specialists to integrate secure architecture, support system accreditation, and protect mission‑critical FRCS infrastructure.
• Prepare white papers, technical briefs, training materials, standard operating procedures, and executive‑level documentation that communicate cybersecurity strategies, compliance requirements, and technical solutions for IC/OT environments.
• Advise Government stakeholders on cybersecurity best practices, emerging threats, secure system design, and continuous monitoring strategies to strengthen the security, resilience, and compliance of Marine Corps FRCS operations.

Qualifications

• A current Secret clearance is required.
• Authorization to permanently work in the United States without sponsorship.
• Oral and written English fluency.
• State’s Driver’s License.
• Master's Degree or 20 years C&A/A&A experience.
• Experience with USMC accreditations (ATO/ATC) for large architectures.
• Experience with writing custom Cybersecurity policies for IC/OT (operational technology) devices and systems.
• Expert in the USMC A&A process to include MCCAST 2.0, RMF, Defense‑in‑Depth Functional Implementation Architecture (DFIA), and Committee on National Security Systems Instruction (CNSSI) 1253.
• CNSSI 4011, 4012, 4015, 4016A (Required).
• Experience creating/managing Plan of Action and Milestones (POAM).
• Experience with Defense Information Systems Agency (DISA) Security Technical Implementation Guide (STIG).
• Experience interpreting/implementing standards and policies in accordance with National Institute of Standards (NIST) 800-53/DoDI 8510.01.
• Experience with vulnerability/risk analysis.
• Experience conducting compliance assessments/validations as well as conceptualizing and implementing security systems and architectures.
• Expert in the creation and editing of White Papers, Briefs, Training Materials, and other documentation related to the technical solution developed at CLNC.
• Professional Certifications: CompTIA Security+ or CompTIA Advanced Security Practitioner (CASP) or Certified Information System Security Professional (CISSP).

Preferred Qualifications

• ICS CERT Training.
• Introduction to Control Systems Cybersecurity (101).
• Intermediate Cybersecurity for Industrial Control Systems (201).
• Intermediate Cybersecurity for Industrial Control Systems (202)-ICS Cybersecurity (301).

Benefits

We offer outstanding benefits including health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work‑life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category.

Terrestris is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, disability, or veteran status. Applicants must be authorized to work in the U.S.