Our customer, the Defense Information Systems Agency (DISA-PAC) Ford island, Hawaii provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided capabilities and services.
Global Solutions Management-Operations II (GSMO-II/ TN19) has an opening for a Transport Network Engineer. The Transport Network Engineer will perform sustainment, maintenance, Problem and Change management services to help ensure secure, reliable, and uninterrupted availability of the Department of Defense networks.
Responsible for performing the following duties:
Network design and engineering
- Perform network management system design, develop Methods of Procedure, analysis, testing and/or modifications of architecture in support of software/hardware technical refresh and upgrades approved by the Engineering Review Board.
- Implement new network hardware (shelves, cards) on operational nodes.
- Deploy network changes - monitor for any impacts to customer traffic using provided expectations of traffic behavior, lessons learned, and customer reporting.
- Recommend to manager best practices for the operation and maintenance of the network.
- Provide ad-hoc engineering support, statistics/data gathering, modeling, creating/updating flowcharts and providing recommendations to determine the most efficient configuration of the network based on Engineering documents and experience.
Provide Engineering Incident Management Escalation Support
- Perform fault isolation, analysis, and troubleshooting across various Transport platforms including SONET Optical/Fiber Transport (ODXC/MSPP), Dense Wavelength Division Multiplexing (DWDM), Time Division Multiplexing (TDM), and cryptographic systems. Engage with other Engineers (Transport, IP and Unified Capabilities), vendors, and customers to determine Root Cause Analysis
- Update ServiceNow tickets with accurate documentation
- Provide situational awareness reporting to customer and management.
- Provide accuracy in documenting the Mission Support Services (MSS) database to reflect the real time network.
- Support Authorized Service Interruption (ASI) Activities to collect site and device data to schedule maintenance windows, coordinating dispatch of technicians, and identifying availability of site personnel.
- Interact with Problem Coordinator and Government customer for troubleshooting and resolution of Problem Management candidate tickets.
- Interact with vendor Technical Assistance Center (TAC) personnel to gather needed data to create hardware replacement order.
Basic Qualifications:
- Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.
- Requires BS degree and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience. (Or equivalent combination of education and/or experience.)
- Currently possess an active Secret security clearance.
- Proficient in one or more Transport platforms: CIENA 6500, CIENA Corestream, Cisco NCS2K, CISCO MSPP 15454/15310, SYCAMORE ODXC 16K/9K, XTERA, and other ancillary equipment.
- Experience analyzing section, line, and path events on Optical networks
- Experience with end-to-end system loopback testing and troubleshooting on Transport networks.
- Exposure to troubleshooting, assessment, root cause analysis, and restoration of Optical networks.
- Experience working with service providers and/or enterprise Transport systems utilizing CISCO/CIENA devices.
- Experience with ports and protocols for DWDM and SONET technologies.
Preferred Qualifications:
- Equally proficient in Ciena and/or Cisco configuration, and troubleshooting, and design
- Experience with Power systems and Network Timing
- Experience with Dense Wavelength Division (DWDM) and Synchronous Optical Networks (SONET)
- Possess understanding of Physical (Layer 1) and Data Link (Layer 2) network troubleshooting.
- CIENA 6500 configuration, troubleshooting, and design experience.
- CISCO 4200 configuration, troubleshooting, and design experience
- CISCO NCS2K configuration, troubleshooting, and design experience.
- Crypto configuration, troubleshooting and design experience.
- Physical cable plant and wiring experience.
- Excellent project, technical, interpersonal, presentation and problem management skills.
- Extensive network integration experience for a variety of network protocol standards.
- Ability to communicate orally, and in writing, detailed technical information on troubleshooting and implementation efforts.
- Familiarization of DOD regulations and directives.
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 2, 2026For 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.
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.
Skills Required
- DoD 8750 IAT Level II certification, Security+ CE, or equivalent
- Bachelor’s degree and 4–8 years of relevant experience, or master’s degree and 2–6 years of relevant experience; equivalent education and experience may be accepted
- Active Secret security clearance
- Proficiency with one or more transport platforms, including CIENA 6500, CIENA Corestream, Cisco NCS2K, Cisco MSPP 15454/15310, Sycamore ODXC 16K/9K, or XTERA
- Experience analyzing section, line, and path events on optical networks
- Experience with end-to-end system loopback testing and troubleshooting on transport networks
- Exposure to troubleshooting, assessment, root-cause analysis, and restoration of optical networks
- Experience working with service providers or enterprise transport systems using Cisco or Ciena devices
- Experience with ports and protocols for DWDM and SONET technologies
- Proficiency in Ciena and/or Cisco configuration, troubleshooting, and design
- Experience with power systems and network timing
- Experience with DWDM and SONET
- Understanding of Physical Layer 1 and Data Link Layer 2 network troubleshooting
- CIENA 6500 configuration, troubleshooting, and design experience
- Cisco 4200 configuration, troubleshooting, and design experience
- Cisco NCS2K configuration, troubleshooting, and design experience
- Cryptographic system configuration, troubleshooting, and design experience
- Physical cable plant and wiring experience
- Project, technical, interpersonal, presentation, and problem-management skills
- Extensive network integration experience with varied network protocol standards
- Ability to communicate detailed technical troubleshooting and implementation information orally and in writing
- Familiarity with Department of Defense regulations and directives
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
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