Leidos is seeking a
Systems and Network Specialist to support the Defense Healthcare Management System Modernization (DHMSM) program. The program delivers enhanced healthcare capabilities to the DoW, wherever and whenever care is needed, while providing critical health information technology services to approximately 9.6 million active-duty service members, military families, retirees, and other beneficiaries.
The
Systems and Network Specialist is instrumental in the design of the secure, scalable, hybrid networking infrastructure required to support the migration of MHS Genesis to Oracle Cloud Infrastructure (OCI). This role is responsible for analyzing on-prem networking configurations, creating comprehensive networking diagrams, and ensuring that Ports, Protocols, and Services Management (PPSM) requirements are met which align with Zero Trust requirements. The Network Specialist works closely with internal and external teams, including government representatives, to ensure that services transition from on-prem to OCI successfully.
Primary Responsibilities- Translate existing on-prem router, switch, and firewall configurations into optimized cloud-native equivalents.
- Partner closely with internal engineering teams and government stakeholders to author PPSM documentation.
- Direct compilation of records and reports concerning network operations and maintenance.
- Create enterprise scoped network-level design documentation for technical and non-technical audiences.
- Troubleshoots on-prem and cloud network performance issues.
- Analyze network traffic and provide capacity planning solutions.
- Monitor and respond to complex technical control facility and software problems.
- Interface with vendor support service groups to ensure proper escalation during outages or periods of degraded system performance.
- Perform system-level design and configuration of products including determination of hardware, OS, and other platform specifications.
- Leverage hands on experience with Windows and Linux connection troubleshooting techniques and tools.
- Provide quality assurance review and the evaluation of new and existing software products.
Basic Qualifications- Bachelor's degree in Computer Science, Information Technology, or a related field with a minimum of eight years in network operations, support, and design.
- with an active ADP IT-II Public Trust Clearance based on the minimum of a Tier 3 investigation. Contract requirement.
- Deep knowledge of TCP/IP and OSI model, including packet-level traffic analysis.
- Proven experience designing and implementing multi-layer network segmentation from perimeter measures (firewall) to physical/virtual networking components.
- Hands on-experience configuring core routing protocols such as Border Gateway Protocol (BGP) and Open Shortest Path First (OSPF), secure tunneling (IPSec VPN), and Layer 4 (TCP/UDP) & Layer 7 (HTTP/HTTPS) load balancing, with a strong understanding of hub-and-spoke architecture.
- Working knowledge of Windows and Linux operating systems.
- Experience understanding and managing customer expectations.
- Experience coordinating with multiple technical and operational teams to achieve the necessary program, project or activity plans, and schedules while maintaining within budget guidelines.
- Experience in assigning tasks to contractor personnel in multiple time zones, supervising on-going technical efforts, and managing contract performance on new task orders and projects identified by the customer.
- In-depth knowledge and practical experience implementing, administering, performing testing, and analyzing network systems
Preferred Qualifications- Experience with large-scale enterprise system of systems integration and deployment.
- Experience with Cerner EHR implementation and related clinical environments.
- Familiarity with DOD Configuration Management and Systems Engineering methodologies.
- Experience managing HL7 minimal lower layer protocol (MLLP) configurations and transmissions.
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 16, 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 $107,900.00 - $195,050.00
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.
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