Our customer, the Defense Information Systems Agency (DISA), 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.
The Leidos Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Core IP and Optical Transport Network Engineer in Bahrain. You will perform sustainment, maintenance, problem and change management services to help ensure secure, reliable, and uninterrupted availability of the DISN.
Work Week: This position is Sunday to Thursday. Friday & Saturday is the normal weekend in Bahrain.
This position requires U.S. citizenship and an active Secret clearance to start.
Primary Responsibilities - Responsible for performing and training team on 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 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 and IP platforms including SONET Optical/Fiber Transport (ODXC/MSPP), Dense Wavelength Division Multiplexing (DWDM), Time Division Multiplexing (TDM), routers, switches, firewalls and cryptographic systems. Engage with other Engineers (Transport, IP and Unified Capabilities), vendors, and customers to perform Root Cause Analysis
Update ServiceNow tickets with accurate documentation
Provide situational awareness reporting to customers and management.
Accurately document 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.
Proficient in one or more optical transport platforms: CIENA 6500, CIENA Corestream, Cisco NCS2K, CISCO MSPP 15454/15310, SYCAMORE ODXC 16K/9K, XTERA, and other ancillary equipment.
Proficient in one or more IP platforms: Juniper MX480, Juniper MX240, Cisco ASR9000, General Dynamic KG175, Sonata Safenet CN6100.
Experience analyzing section, line, and path events on Wide Area Network (WAN) and Optical networks
Experience with end-to-end system loopback testing and troubleshooting on WAN and Transport networks.
Exposure to troubleshooting, assessment, root cause analysis, and restoration of WAN and Optical networks.
Experience working with service providers and/or enterprise Transport systems utilizing Cisco/CIENA devices.
Experience with ports and protocols for WAN, DWDM and SONET technologies.
Experience analyzing VLAN, routing, IP addressing and sub-netting.
Experience troubleshooting and configuring IP networks using at least one of the following routing methods: BGP, ISIS or OSPF, Static routing.
Currently possess an active Secret security clearance.
Certifications with major network system vendors such as Cisco and or Juniper are a strong plus.
Security certification and/or knowledge of DDoS and other attack vectors experienced in modern networks.
Layer 2/3 VPN and Firewall knowledge and experience.
Preferred Qualifications:
Equally proficient in Ciena, Cisco and Juniper configuration, troubleshooting, and design
Experience with Power systems and Network Timing
Experience with WAN, DWDM and Synchronous Optical Networks (SONET)
Possess understanding of Physical (Layer 1), Data Link (Layer 2) and Network (Layer 3) troubleshooting.
CIENA 6500, CISCO 4200, CISCO NCS2K and 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.
Experience with Palo Alto firewalls, F5 appliances, and Splunk systems
Experience with either service provider or enterprise IP networks using an interface on Cisco (ESR and ASR) and/or Juniper routers.
Equally proficient in Juniper and Cisco configuration, troubleshooting, and design.
Experience with Cisco IOS XR, JUNOS, and Cisco IOS codes.
Pearl or other language scripting capable of running backup configs and other scripting to pull information from Cisco/Juniper routers
IPSEC, MPLS and IPV6 configuration, troubleshooting, and design experience.
Ability to communicate orally, and in writing, detailed technical information on troubleshooting and implementation efforts.
Familiarization of DOD regulations and directives.
Required Education and Experience:
Requires BS 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.)
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:July 8, 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
- U.S. citizenship and ability to hold an active Secret security clearance
- Active Secret security clearance (must possess at start)
- DoD 8750 certification at IAT Level II, Security+ CE or equivalent
- Proficiency with optical transport platforms (e.g., CIENA 6500, CIENA Corestream, Cisco NCS2K, CISCO MSPP 15454/15310, SYCAMORE ODXC 16K/9K, XTERA)
- Proficiency with IP platforms (e.g., Juniper MX480, Juniper MX240, Cisco ASR9000, General Dynamics KG175, Sonata Safenet CN6100)
- Experience analyzing section, line, and path events on WAN and Optical networks
- Experience with end-to-end system loopback testing and troubleshooting on WAN and Transport networks
- Experience troubleshooting, assessment, root cause analysis, and restoration of WAN and Optical networks
- Experience working with service providers and/or enterprise Transport systems using Cisco/CIENA devices
- Experience with WAN, DWDM and SONET ports and protocols
- Experience analyzing VLANs, routing, IP addressing and subnetting
- Experience configuring and troubleshooting IP routing using BGP, ISIS, OSPF or Static routing
- Layer 2/3 VPN and firewall knowledge and experience
- Bachelor's degree and 4-8 years relevant experience, or Master's with 2-6 years, or equivalent combination
- Certifications with major network vendors such as Cisco and/or Juniper
- Security certification and/or knowledge of DDoS and other modern network attack vectors
- Experience with CIENA, Cisco and Juniper configuration, troubleshooting, and design (preferred equal proficiency)
- Experience with power systems, network timing, physical cable plant and wiring
- Experience with Palo Alto firewalls, F5 appliances, and Splunk
- Experience with Cisco IOS XR, JUNOS, and Cisco IOS
- Scripting capability (Perl or similar) for backups and data collection from routers
- Familiarity with DoD regulations and directives; excellent written and oral communication
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.
