Senior Network Engineer

Jobtailor

New Mexico

On-site

USD 120,000 - 160,000

Full time

14 days+

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Job summary

Jobtailor seeks a senior network engineer to design, implement, and manage large-scale DoD-aligned LAN/WAN infrastructure in the United States. You will deploy Cisco routing/switching across mission-critical networks, configure OSPF/BGP, STP/HSRP, and manage MPLS, VPNs, and secure remote access via Palo Alto GlobalProtect.

You will ensure DoD RMF compliance, support high-availability operations, and produce detailed network diagrams and SOPs for ongoing modernization efforts.

Qualifications

Bachelor’s degree in CS/IT/Engineering with 8+ years of relevant experience.

Responsibilities

Design, implement, and maintain enterprise LAN and WAN infrastructure.
Engineer and support Cisco routing and switching environments for mission-critical networks.
Configure, troubleshoot, and optimize OSPF, BGP, VLANs, STP, HSRP/VRRP.
Support WAN connectivity utilizing MPLS, VPN, and Internet-based transport technologies.
Configure, administer, and maintain Palo Alto Networks next-generation firewalls.
Design, implement, and support secure Palo Alto GlobalProtect remote access and site-to-site VPN solutions.
Monitor network health, analyze performance, identify bottlenecks, and implement corrective actions.
Perform advanced Layer 1–7 network troubleshooting using industry-standard diagnostic tools.
Develop and maintain engineering documentation, implementation plans, network diagrams, and standard operating procedures.
Participate in technology refreshes, network modernization efforts, and infrastructure upgrades.
Collaborate with cybersecurity personnel to ensure compliance with DoD cybersecurity policies, RMF requirements, and applicable STIGs.
Support scheduled maintenance activities, incident response, and operational troubleshooting in a high-availability environment.

Skills

Enterprise networking

Cisco routing & switching

TCP/IP / IPv6

DoD compliance

Network troubleshooting

Education

Bachelor’s degree in CS/IT/Engineering

IAT Level II (Security+/CySA+/equiv)

CCNA

Security+

CySA+

Security clearance (Secret with SCI eligibility)

Tools

Palo Alto GlobalProtect

Network diagnostic tools

DDI (DNS/DHCP/IPAM)

SASE technologies

Job description

Design, implement, configure, and maintain enterprise LAN and WAN infrastructure
Engineer and support Cisco routing and switching environments for mission-critical networks
Configure, troubleshoot, and optimize enterprise routing and switching technologies, including: OSPF, BGP, VLANs, Spanning Tree Protocol (STP), HSRP/VRRP
Support WAN connectivity utilizing MPLS, VPN, and Internet-based transport technologies
Configure, administer, and maintain Palo Alto Networks next-generation firewalls
Design, implement, and support secure Palo Alto GlobalProtect remote access and site-to-site VPN solutions
Monitor network health, analyze performance, identify bottlenecks, and implement corrective actions
Perform advanced Layer 1–7 network troubleshooting using industry-standard diagnostic tools
Develop and maintain engineering documentation, implementation plans, network diagrams, and standard operating procedures
Participate in technology refreshes, network modernization efforts, and infrastructure upgrades
Collaborate with cybersecurity personnel to ensure compliance with DoD cybersecurity policies, RMF requirements, and applicable STIGs
Support scheduled maintenance activities, incident response, and operational troubleshooting in a high-availability environment.

Requirements

Bachelor’s degree in computer science, information technology, engineering, or a related discipline with 8+ years of relevant experience
Additional years of experience may be substituted for a degree
Active DoD 8570/8140 IAT Level II certification (Security+, CySA+, or equivalent)
Active Cisco Certified Network Associate (CCNA) certification
Active Secret security clearance with the ability to obtain and maintain Top Secret clearance with SCI eligibility
Extensive experience designing, implementing, and supporting enterprise Cisco network infrastructure
Strong working knowledge of: TCP/IP, IPv4/IPv6, DDI (DNS / DHCP / IPAM), NAT, VLANs, Copper and fiber optic cabling standards, Quality of Service (QoS), OSPF, MPLS, Secure Access Service Edge (SASE) technologies
Hands-on experience configuring and administering Palo Alto Networks next-generation firewalls, including security policies, NAT, threat prevention, and GlobalProtect
Experience implementing and supporting secure remote-access and site-to-site VPN technologies
Demonstrated experience troubleshooting enterprise LAN and WAN environments
Experience supporting networking solutions within a fast-paced Department of Defense enterprise
Excellent written, verbal, and interpersonal communication skills
Ability to manage multiple priorities while working independently and as part of a technical team.

Core Competencies

Demonstrates expertise in designing, implementing, and maintaining enterprise LAN and WAN infrastructure, with a strong focus on Cisco routing and switching technologies. Proficient in configuring Palo Alto Networks firewalls and ensuring compliance with DoD cybersecurity policies.

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