Network Engineer SME

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other

Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Enterprise Network Design, Network Engineering, Network Infrastructures

Certifications:

None

Experience:

15 + years of related experience

US Citizenship

Required:

Yes

Job Description:

Transform technology into opportunity as a Network Engineer SME pe what’s next for mission-critical government projects while shaping what’s next for your engineering career.

We are seeking a Network Engineer Subject Matter Expert (SME) to provide technical leadership and architectural oversight for a mission-critical defense program supporting operations in Oahu, Hawaii. This individual will serve as the senior authority for enterprise network design, integration, cybersecurity compliance, modernization initiatives, and operational sustainment across classified and unclassified environments.

The ideal candidate combines deep technical expertise with strategic vision and the ability to lead engineering teams in high-availability, mission-focused environments.

• Design, implement, and maintain secure, resilient, and scalable enterprise network architectures.
• Oversee integration of network infrastructure supporting C5
  
  ISR, cloud, hybrid, and tactical environments.
• Develop roadmaps for modernization, automation, and performance optimization.
• Provide technical direction to network engineers, cybersecurity engineers, and system administrators.
• Review and approve network designs, configurations, and change requests.
• Lead root cause analysis for complex network incidents and outages.
• Ensure high availability and disaster recovery capabilities are implemented and tested.
• Ensure compliance with DoD cybersecurity requirements (e.g., RMF, STIG implementation, zero trust principles).
• Support ATO processes, vulnerability remediation, and audit readiness.
• Architect solutions that meet classified network requirements and cross-domain solutions.
• Oversee network sustainment activities, lifecycle management, and hardware/software refresh planning.

• Active Top Secret clearance (SCI eligibility strongly preferred).
• Bachelor’s degree in Network Engineering, Computer Science, Information Systems, or related field (Master’s preferred).
• 15+ years of progressive experience in enterprise network engineering.
• Deep expertise in:
  • Enterprise routing and switching (BGP, OSPF, MPLS, SD-WAN)
  • Layer 2/Layer 3 network architecture design
  • Firewall architectures and segmentation
  • VPN technologies and secure remote access
  • Network monitoring and performance management tools
• Experience supporting classified environments (SIPR, JWICS, or equivalent).
• Strong understanding of:
  • Risk Management Framework (RMF)
  • Zero Trust Architecture
  • Network segmentation and micro-segmentation
  • Cross-domain solutions
• Relevant certifications such as:
  • CCIE (preferred)
  • CISSP
  • CASP+
  • CCNP Enterprise (minimum)

• Experience supporting INDOPACOM or Pacific-based defense operations.
• Experience designing hybrid cloud network architectures (AWS Gov Cloud, Azure Government).
• Familiarity with software-defined networking (SDN) and network automation (Ansible, Python).
• Experience with satellite communications (SATCOM) and tactical edge networking.
• ITIL v4 certification or familiarity with service management frameworks.

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#Defend The Indo Pacific

The likely salary range for this position is $147,292 - $199,278.…