USMC Cybersecurity Network Engineer/Firewall

Terrestris Global Solutions • Jacksonville, NC

2d • Onsite

About The Position

This position secures, configures, and manages firewalls, VPNs, and ICS/OT networks ensuring compliant, resilient, mission-ready FRCS communications infrastructure. This position is contingent upon contract award.

Requirements

• 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.
• Demonstrated knowledge in securing multiple operating systems and other networked devices using appropriate DISA STIGs and Structured Requirements Guide (SRG).
• Experience with creating and maintaining PKI (Public Key Infrastructure) to be used for secure IPSec Virtual Private Network (VPN) connections.
• Experience with Palo Alto firewalls in an ICS/OT environment.
• Expert in Raspberry Pi security and configuration.
• Knowledgeable of FIPS 140-2 IPSec configurations including encryption types, key generation/storage, and configuring tunnels in a Hub-and-Spoke architecture.
• Experience with building, securing, and accrediting Linux servers and devices running CENTOS.
• Expertise writing policies and procedures for the secure configuration, installation, and management of firewalls and Encrypt/Decrypt devices on the MCEN in support of the ICS/OT ATO/ATC.
• Professional Certifications: CompTIA Security+ or CompTIA CASP or Certified Information System Security Professional (CISSP) ICS-Virtual Learning Portal (VLP) Certificate 100W.

Nice To Haves

• SEL certificates or training.
• Experience programming/scripting - Python, SQL, Bash, Java.
• Databases - SQL Server, PostgreSQL, NoSQL, MongoDB.
• Power BI expertise.
• Advanced Microsoft Excel expertise.
• AutoCAD expertise.
• Sec+ expertise.
• Net+ expertise.

Responsibilities

• Configure, administer, and maintain Palo Alto firewalls, IPSec VPNs, and secure network communications supporting FRCS and ICS/OT environments across enterprise and remote facilities.
• Implement, harden, and validate Linux (CentOS), Raspberry Pi, and networked devices by applying DISA STIGs, SRGs, FIPS 140-2 requirements, and approved cybersecurity baselines.
• Design, deploy, and manage Public Key Infrastructure (PKI), digital certificates, encryption keys, and Hub-and-Spoke IPSec VPN tunnels to ensure secure authentication and encrypted communications.
• Monitor firewall operations, network traffic, security events, and system vulnerabilities; investigate incidents, implement corrective actions, and maintain continuous compliance with DoD, DoN, USMC, and RMF security requirements.
• Develop and maintain secure configuration guides, firewall rulesets, standard operating procedures, and technical documentation supporting ICS/OT Authority to Operate (ATO/ATC) accreditation and lifecycle management.
• Collaborate with systems administrators, cybersecurity architects, and control systems engineers to integrate secure network solutions, automate security tasks through scripting, support enterprise databases and reporting tools, and troubleshoot complex FRCS network infrastructure.

Benefits

• health, financial, and retirement benefits
• paid leave
• professional development
• tuition assistance
• work-life programs
• award programs acknowledge employees for exceptional performance and superior demonstration of our service standards

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed