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Description Leidos currently has an opening on the ‘Service Management, Integration and Transport’ (SMIT) Contract for a VPN (Virtual Private Network) & DMZ (Demilitarized Zone) Network Engineer located in Oak Harbor, WA. Join our team to support the SMIT mission, the largest IT services program for the United States Navy. As part of the Leidos team, you will play a pivotal role in delivering the Navy‑Marine Corps Intranet (NMCI) to customers around the globe. We are seeking a skilled VPN & DMZ Network Engineer proficient in network engineering appliances and technologies (i.e. Firewalls, DMZ, VPN) to join our Transport Operations team. In this role, you will be responsible for designing, implementing, and maintaining robust & mature global network security solutions.
Your expertise in configuring enterprise‑grade Juniper firewalls, managing DMZ environments, engineering secure VPN solutions, and administering Cisco network appliances will be crucial. You will collaborate closely with cross‑functional engineering and project management teams to safeguard our network infrastructure against threats and vulnerabilities ensuring the highest levels of operational integrity. You will be a member of a technical team, managing customer relationships and overseeing key resources for Incident Response, Change Management, Problem Management, Operations and Maintenance (O&M), and ITSM and DevSecOps initiatives.
Primary Responsibilities
Support current operations for the United States Navy by providing VPN, DMZ, and firewall engineering subject‑matter expertise. Responsibilities include network modification, operation, integration, maintenance, security, and implementation of services for the NMCI network.
Collaborate with the Network Operations Center, network administrators, and the network engineering team to define and continuously improve:
Network security appliances (DMZ, VPN, firewalls)
Test and validate automation and best‑practice insertion opportunities
Lead development of network SOPs/TTPs
Continuous service improvements (CSI)
System performance tuning and enhancements
Create and maintain engineering implementation plans (EIP)
Plan and execute network upgrades and maintenance activities with the NMCI Operations Manager, NOC Lead, Release Management team and other key stakeholders.
Provide Tier‑III escalation support and vendor engagement supporting Incident Management activities.
Actively participate in root‑cause analysis for Problem Management activities.
You'll Bring These Qualifications
BS degree and 4‑8 years of prior relevant experience (education may substitute for experience at the Hiring Manager’s discretion).
US citizen with an active DoD Secret clearance.
Active DoD 8570.01 IAT Level II Certification (CCNP Security, CISSP, or CASP+).
Active associate‑level network vendor certification from Cisco, Juniper, or F5 Networks.
Ability to work or be called in during off‑hours to meet mission support requirements.
Participate in on‑call rotation for Incident Management responsibilities among the Transport Operations team.
Network subject‑matter expert for operations providing Tier‑III support to the NOC watch staff.
Perform highly technical maintenance and configuration of firewalls, VPNs, and DMZ appliances.
Extensive experience engineering and troubleshooting networks, including routing, switching, MPLS, VPNs, BGP, OSPF, IS‑IS, STP, VLANs, LLDP, VoIP, multicast protocols, and emerging network technologies.
Strong understanding and in‑depth knowledge of IP network/subnet addressing.
Extensive knowledge of defense‑in‑depth principles, network architecture, modern topologies, appliance integrity, and common networking security elements.
Experience with Ansible, Python, and IaC network automation.
Original Posting:
October 16, 2025
Pay Range:
$85,150.00 - $153,925.00
If you are interested in applying for this job, please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
#J-18808-Ljbffr
Description Leidos currently has an opening on the ‘Service Management, Integration and Transport’ (SMIT) Contract for a VPN (Virtual Private Network) & DMZ (Demilitarized Zone) Network Engineer located in Oak Harbor, WA. Join our team to support the SMIT mission, the largest IT services program for the United States Navy. As part of the Leidos team, you will play a pivotal role in delivering the Navy‑Marine Corps Intranet (NMCI) to customers around the globe. We are seeking a skilled VPN & DMZ Network Engineer proficient in network engineering appliances and technologies (i.e. Firewalls, DMZ, VPN) to join our Transport Operations team. In this role, you will be responsible for designing, implementing, and maintaining robust & mature global network security solutions.
Your expertise in configuring enterprise‑grade Juniper firewalls, managing DMZ environments, engineering secure VPN solutions, and administering Cisco network appliances will be crucial. You will collaborate closely with cross‑functional engineering and project management teams to safeguard our network infrastructure against threats and vulnerabilities ensuring the highest levels of operational integrity. You will be a member of a technical team, managing customer relationships and overseeing key resources for Incident Response, Change Management, Problem Management, Operations and Maintenance (O&M), and ITSM and DevSecOps initiatives.
Primary Responsibilities
Support current operations for the United States Navy by providing VPN, DMZ, and firewall engineering subject‑matter expertise. Responsibilities include network modification, operation, integration, maintenance, security, and implementation of services for the NMCI network.
Collaborate with the Network Operations Center, network administrators, and the network engineering team to define and continuously improve:
Network security appliances (DMZ, VPN, firewalls)
Test and validate automation and best‑practice insertion opportunities
Lead development of network SOPs/TTPs
Continuous service improvements (CSI)
System performance tuning and enhancements
Create and maintain engineering implementation plans (EIP)
Plan and execute network upgrades and maintenance activities with the NMCI Operations Manager, NOC Lead, Release Management team and other key stakeholders.
Provide Tier‑III escalation support and vendor engagement supporting Incident Management activities.
Actively participate in root‑cause analysis for Problem Management activities.
You'll Bring These Qualifications
BS degree and 4‑8 years of prior relevant experience (education may substitute for experience at the Hiring Manager’s discretion).
US citizen with an active DoD Secret clearance.
Active DoD 8570.01 IAT Level II Certification (CCNP Security, CISSP, or CASP+).
Active associate‑level network vendor certification from Cisco, Juniper, or F5 Networks.
Ability to work or be called in during off‑hours to meet mission support requirements.
Participate in on‑call rotation for Incident Management responsibilities among the Transport Operations team.
Network subject‑matter expert for operations providing Tier‑III support to the NOC watch staff.
Perform highly technical maintenance and configuration of firewalls, VPNs, and DMZ appliances.
Extensive experience engineering and troubleshooting networks, including routing, switching, MPLS, VPNs, BGP, OSPF, IS‑IS, STP, VLANs, LLDP, VoIP, multicast protocols, and emerging network technologies.
Strong understanding and in‑depth knowledge of IP network/subnet addressing.
Extensive knowledge of defense‑in‑depth principles, network architecture, modern topologies, appliance integrity, and common networking security elements.
Experience with Ansible, Python, and IaC network automation.
Original Posting:
October 16, 2025
Pay Range:
$85,150.00 - $153,925.00
If you are interested in applying for this job, please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
#J-18808-Ljbffr