Network Engineer

*Job Description:* *Network Engineer* _IT & Communications Systems | Camp Pendleton, CA_ Job Type: Full-time Location: Camp Pendleton, CA (on-site) Security Clearance: Active Secret Clearance Required Job Description Cynergy Professional Systems is seeking a skilled Network Engineer to support the IT and Communications Systems mission at Marine Corps Installations West (MCIWEST G-6), Camp Pendleton, CA. This position is responsible for engineering, hardening, and sustaining enterprise LAN, WAN, WLAN, and BAN network infrastructure that underpins mission-critical government operations, including firewalls, switches, routers, VoIP, and secure remote-access connectivity. The ideal candidate brings hands-on expertise with Juniper and Cisco network platforms, a strong grasp of Zero Trust security architecture, and direct experience operating in DoD or other federal environments where compliance, documentation, and uptime are non-negotiable. You will be expected to own technical outcomes end-to-end — from network design and configuration through security hardening, documentation, and day-to-day sustainment. ResponsibilitiesNetwork Engineering & Architecture * Design, configure, and maintain enterprise network infrastructure across multiple installation sites, including Juniper SRX firewalls, EX switches, and Cisco IOS-based routers and switches. * Map and maintain physical and logical network topologies to establish and preserve a unified enterprise baseline across all supported sites. * Engineer and support LAN, WAN, WLAN, and BAN services, along with VoIP systems, to meet operational continuity and mission requirements. * Configure and troubleshoot dynamic routing protocols (OSPF), VPN tunneling (IPsec/IKE), and GRE to secure and optimize site-to-site connectivity. * Plan and support long-haul fiber deployments connecting data services between remote sites, coordinating logistics, materials, and installation crews as required. * Develop and maintain detailed network diagrams, configuration files, IP address lists, and technical documentation covering logical paths, physical interconnectivity, and management protocols (LLDP, SSH). Security & Compliance * Enforce stateful firewall policies and Zero Trust security principles to secure site-to-site and remote-access traffic. * Apply Risk Management Framework (RMF) STIGs across network devices, maintaining strict compliance with defense and federal cybersecurity standards and ensuring continuous audit readiness. * Collaborate with the cybersecurity team and ISSMs on vulnerability identification, remediation, and Assessment & Authorization (A&A) activities to protect system integrity and confidentiality. * Conduct network configuration audits to identify discrepancies, security gaps, and performance issues, and drive corrective action to resolution. Systems Support & Troubleshooting * Monitor network health and performance, proactively identifying degradation trends and implementing corrective measures before service impact occurs. * Troubleshoot and resolve issues on operational systems, performing root cause analysis and implementing lasting fixes to prevent recurrence and minimize downtime. * Support incident management processes to ensure rapid, consistent service restoration under demanding operational conditions. * Validate and support the deployment and handover of new network systems and hardware, ensuring seamless connectivity for end users. Leadership & Documentation * Serve as a technical resource for junior technicians and engineers, providing mentorship, troubleshooting guidance, and knowledge transfer. * Communicate clearly and professionally with government client stakeholders, contractor teams, and leadership on project status and technical issues. * Contribute to technical proposals, status reports, and documentation supporting IT and telecommunications initiatives. * Support training of operations and maintenance staff upon implementation of new systems or capabilities. Location & Travel * Position is located at Camp Pendleton, CA. * Occasional travel may be required to other West Coast locations (CA & AZ) to support customer initiatives. * May be required to respond to after-hours requests in a 24x7 environment. * Valid driver's license required. Security Clearance * Must be a U.S. Citizen. * Active Secret Clearance required. Education * Bachelor's degree in Cybersecurity, Computer Science, Telecommunications, Systems Engineering, or related field; OR a minimum of 5 years of directly relevant hands-on network engineering experience in lieu of a degree. Required ExperienceNetwork Engineering (Required) * Hands-on experience configuring and maintaining Juniper SRX firewalls and EX switches, or comparable enterprise network platforms. * Working knowledge of Cisco IOS for router and switch administration and troubleshooting across a multi-site environment. * Experience configuring and troubleshooting IPsec/IKE VPN tunnels, GRE tunneling, and dynamic routing protocols (OSPF). * Familiarity with LLDP, SSH, and standard network management protocols used for monitoring and remote administration. * Experience developing and maintaining network diagrams, IP address documentation, and configuration records. Security & Compliance (Required) * Demonstrated experience applying Zero Trust security principles and stateful firewall policy enforcement. * Experience applying Risk Management Framework (RMF) STIGs or equivalent DoD/federal security hardening standards. * Familiarity with cybersecurity principles as applied to enterprise networks, including collaboration with ISSMs or A&A teams on DoD systems. Systems & Platforms (Required) * Experience supporting LAN, WAN, WLAN, and BAN network services in an enterprise or DoD environment. * Experience with VoIP systems and their integration into managed network environments. * Experience with fiber optic infrastructure, including long-haul fiber connectivity between remote sites, preferred. Documentation & Communication (Required) * Proficient in Microsoft Office products (Word, Excel, Visio) for technical documentation. * Strong written and verbal communication skills; able to interface professionally with government clients and cross-functional teams. * Ability to work independently with minimal supervision in a fast-paced, operationally driven environment while managing multiple priorities. Additional (Preferred) * Prior military or DoD contracting experience, particularly in a Marine Corps, Navy, or other federal installation environment. * Experience supporting tactical communications systems or deployed/field network operations. * Experience with incident management practices, root cause analysis, and predictive maintenance approaches for network reliability. Special Qualifications & Certifications (Preferred) * Juniper Networks Certified Internet Associate (JNCIA) or higher Juniper certification. * CompTIA Security+ Certification. * Cisco Certified Network Associate (CCNA) or equivalent Cisco certification. * ITIL Foundations Certification. Benefits * 401(k) * Health insurance * Dental insurance * Life insurance * Paid time off * Professional development assistance About Cynergy Professional Systems Cynergy Professional Systems, LLC is an SBA 8(a), SDVOSB, EDWOSB, MBE, and WOSB certified small business headquartered in Laguna Hills, CA. We provide IT and communications system support to the Department of Defense and other federal agencies, with a long-standing presence at MCIWEST G-6, Camp Pendleton. Our team has a 100% on-time, on-budget project delivery record and maintains 99.99% reliability across critical mission systems. Cynergy Professional Systems provides equal employment opportunity for all applicants and employees. The Company does not discriminate against applicants or employees on the basis of race, color, sex, age, national origin, religion, sexual orientation, gender identity, veteran or military status, disability, or any other legally recognized protected basis under federal, state, or local law. Application Question Do you have hands-on experience configuring or maintaining Juniper and/or Cisco network infrastructure (firewalls, switches, routers) in a DoD or federal environment? *Security Clearance: Secret (Required)* *Work Location: In person* *Work Location: In person* Pay: $92,282.02 - $106,000.00 per year Work Location: In person