Mission-Critical Cybersecurity Network Engineer

Terrestris Global Solutions

Jacksonville (NC)

On-site

USD 110,000 - 150,000

Full time

14 days+

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Benefits offered by this job

Health benefits

Financial benefits

Retirement benefits

Paid leave

Professional development

Tuition assistance

Work-life programs

Job summary

Terrestris Global Solutions seeks a Cybersecurity Network Engineer/Firewall to support USMC DoDIN environments with on-site, full-time engagement. The role emphasizes hardening, PKI/VPN design, and secure network operations in IC/OT contexts.

The candidate will implement DISA STIGs, manage PKI for IPSec VPNs, and ensure continuous RMF compliance while collaborating with cybersecurity and systems teams. Excellent DoD security acumen is essential.

Qualifications

Experience securing multiple OS and devices with DISA STIGs/SRG.
Experience with PKI for secure IPSec VPN connections.
Expertise with Palo Alto firewalls in IC/OT environments.
CentOS/Linux server hardening and configuration.
Ability to author secure configuration guides and SOPs.

Responsibilities

Configure, administer, and maintain Palo Alto firewalls, IPSec VPNs, and secure communications across ENVs.
Harden Linux/CentOS, Raspberry Pi, and networked devices per DISA STIGs/SRGs and FIPS 140-2 baselines.
Design, deploy, and manage PKI, certificates, and hub-and-spoke IPSec VPN tunnels.
Monitor security events, investigate incidents, and maintain RMF DoD/USMC compliance.
Develop secure configuration guides, firewall rulesets, and SOPs; collaborate with admins and engineers.