Job Description

Are you ready to make a difference? Leidos is a Fortune 500 technology, engineering, science solution and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil and health industries.

We are seeking a highly motivated and experienced Senior Network Engineer onsite at Ford Islan, Hawaii. In this Integration Services role, you will lead a team of engineers, perform project engineering support, brief customers on project status, provide technical engineering support for the development, test, deployment, and sustainment of a complex telecommunication system. As a Senior Network Engineer on this program, you will be a member of a team that interacts with technical and non-technical teammates, including customers and vendors. You will be looked at as a subject matter expert in all things related to the IP and Optical networks - including the WAN and LAN in multiple environments (DEV/TEST and Production). Integration Services supports mission-critical operations across the Defense Information Systems Network. Under this program, Installation Testing and Acceptance (IT&A) activities enable new/revised capabilities that are designed/built/installed by DISA and other sources.

You will operate as a key expert within a high-visibility DISA program helping shape delivery strategy, drive execution, and ensure mission outcomes across a complex global operating environment.

Our customer is the Defense Information Systems Agency (DISA) and acts as the provider of GIG/Defense Information System Network (DISN) services to the Department of War (DoW) and national security organizations.

What You’ll Do

· Manage a small team of engineers and support customer briefings

· Provide engineering and technical expertise on all issues relating to the specified telecommunications networks/information systems within the DISN.

· Research, analyze and/or develop reports that provide engineering and recommendations across a broad range of specialized network/system functional areas, such as network systems engineering, network topology planning, network route planning, management of network configurations, migration strategies, and method of procedures with an understanding of modeling and simulation of the networks/systems.

· Collaborate with DISN government engineers and leadership, project managers, and GSM-O Task Managers for coordination, implementation, and testing of new projects to ensure successful transitions to operations.

· Evaluate system network requirements and make appropriate technical recommendations.

· Provide engineering to establish remote management connectivity, oversee performance verification testing (BER or "burn-in" tests) and configuring alarm and system profiles, and configuring/testing various layers of the OSI model.

· Support installation test and acceptance (IT&A) of network components both directly through the various GUI/CLI or interface systems, by directing and/or facilitating remote testing with on-site field engineering support.

· Support project deployments.

Basic Qualifications

· Bachelor's degree and 12+ years of overall related experience or Master with 10+ years. Specific experience, education and training may be considered in lieu of degree.

· Must possess an active Secret security clearance.

· Must possess a current DoD 8140 certification.

· The candidate must have excellent written and oral communications skills, strong customer relation and leadership abilities with experience in developing presentations and briefing senior personnel.

· Experience in remotely configuring networking or transport devices.

· Familiar with SONET, TDM, DWDM, IP, and MPLS networks.

· Expertise in one or more of the following: IP routing, QoS, traffic engineering, DNS; TDM switching; Optical Transport; Crypto; Network appliances (WAN acceleration, etc).

· Map IP addresses and subnets for networking devices.

· Establish in-band/out of band management connections on transport devices.

· Interpret network topology diagrams and propose device configuration changes.

Preferred Qualifications

· Proficiency with Juniper IOS, CISCO IOS, or other IP/transport specific management tools (EMS) and general practices. Expertise in IP technologies, i.e., Networking architectures and methodologies, and Voice Services.

· Expert knowledge of IP principles and protocols.

· Proficiency on at least two or more of the following devices: Juniper MX routers, Ciena 6500/5160 Optical Platforms, Cisco 42XX series, Infinera ODXC, Promina, Juniper CTP, Juniper SRX firewalls, Juniper EX switches, SONUS SBCs, KG175, SafeNet IP and SONET encryptors.

· Basic Linux Administration or command line interface (CLI) and scripting skills.

· General knowledge RADIUS, SNMP, NTP, TLS and PKI protocols.

· Proficiency in at least one of the following tools: WWOLS, MSS, OneNet, SMC, SILVX, CTC, Junos Space, SolarWinds.

· Knowledge of configuring, deploying, and supporting HAIPE (KG-175D) - especially with GD GemOne.

· Experience leading a team of technical engineers and communication status to leadership.

· Proficient with VISIO drawing software.

· Possess an understanding of the physical network infrastructure including fiber optics and copper wiring standards, AC and DC power distribution (rectifiers and inverters), hardware (media converters, modems, repeaters, etc.).

· JNCIA or JNCIP.

· Knowledge of Project Management disciplines. Possess a PMP certification.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.