Senior DoD Network Engineer - TS/SCI

SMX; Manila; On-site; PHP 9,538,000 - 11,077,000; Full time

Benefits offered by this job

Health insurance

Paid leave

Retirement

Job summary

SMX is seeking a Senior Systems Engineer / ISR Communications professional to design, implement, operate, secure, and troubleshoot enterprise and mission-focused network infrastructure across DoD contracts. The role demands hands-on Cisco and Juniper expertise, strong documentation, and collaboration with cybersecurity teams and military leadership to maintain secure networks.

A DoW TS/SCI clearance is required (US citizenship).

Qualifications

• 7+ years of hands-on network engineering experience.
• Extensive experience with Cisco routing, switching, firewall, and network services: configuration, troubleshooting, and lifecycle support.
• Working knowledge of Juniper Junos routing/switching and related Juniper technologies.
• Solid understanding of TCP/IP, subnetting, VLANs, routing protocols, VPNs, ACLs, NAT, DNS, DHCP, NTP, SNMP, syslog, and network monitoring.
• Experience supporting secure network operations, vulnerability remediation, configuration hardening, and compliance documentation.
• Ability to create and maintain technical documentation, diagrams, SOPs, and change records.
• Compliance with DoD 8140 / legacy 8570 requirements, including Security+ CE (or higher)

Responsibilities

• Design, configure, operate, and troubleshoot enterprise LAN/WAN networks—including routers, switches, firewalls, IPsec VPNs, wireless, and other network security appliances
• Support Cisco environments (VLANs, trunks, STP, routing protocols, NAT, ACLs, QoS, IPsec VPN, AAA, SNMP, NTP, and network segmentation) and Juniper platforms as needed (Junos, SRX, Session Smart Router, Mist, policy configuration, and troubleshooting)
• Monitor network availability, capacity, latency, and performance; identify root causes and implement corrective actions
• Develop and maintain network diagrams, IP address plans, configuration baselines, SOPs, configuration guides, and change documentation
• Implement secure network configurations in accordance with DISA STIGs, vulnerability findings, patching requirements, and RMF/ATO activities
• Manage network backup, recovery, lifecycle replacement, firmware/software upgrades, and scheduled maintenance
• Collaborate with cybersecurity teams to remediate findings (e.g., ACAS/Nessus), validate mitigations, and provide input for Plans of Action and Milestones
• Lead or support outage response, incident resolution, change planning, and after-action documentation
• Set up, operate, and support encryption/COMSEC and mission communications devices (e.g., KG-series, radio systems)
• Assist with the setup and administration of FMV and data-stream transport systems (Vidterra Compass, Kraken, Haivision Makito); configure with guidance
• Mentor junior engineers and provide technical guidance to operations staff
• Perform other mission-essential duties as assigned

Skills

Cisco routing

Cisco switching

Cisco firewall

Network services

Juniper Junos

Session Smart Router

Mist

DoD 8140/8570

DISA STIGs

Vulnerability management

RMF/ATO processes

Security+ CE

Tools

ACAS/Nessus

Job description

SMX is seeking a Senior Systems Engineer / ISR Communications professional to design, implement, operate, secure, and troubleshoot enterprise and mission-focused network infrastructure across DoD contracts. The role demands hands-on Cisco and Juniper expertise, strong documentation, and collaboration with cybersecurity teams and military leadership to maintain secure networks.

A DoW TS/SCI clearance is required (US citizenship).