Network Engineer Expert - TS/SCI with Polygraph

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Transform technology into opportunity as a Network Engineer Expert with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator.

As a Network Engineer Sr Principal, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Network Engineer Sr Principal joining our team to support a geographically dispersed, state of the art systems that seamlessly integrate Linux and Microsoft services. Positions will provide engineering support to multiple WAN connected sites, with data flows crossing various controlled interfaces, and will follow specific IT project management and engineering lifecycle processes. A Network Engineer Sr Principal will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.

How a Network Engineer Will Make an Impact:

• Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systems
• Design, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructure
• Determine network bandwidth needs and recommend measures to meet those requirements
• Design, recommend and implement new solutions to improve the resilience of network operations
• Conduct network modeling and analysis to construct a reliable, high-performance integrated network
• Monitor network performance and troubleshoot problems and outages
• Schedule updates and upgrades
• Collaborate with network architects to optimize system performance
• Engage in data network fault investigations
• Secure network systems with policies that define and monitor access
• Configure DNS servers and appliances

What You'll Need to Succeed:

• Education: BA/BS
• Required Certification: CompTIA Security+ certification or similar for IAT Level II DoD 8570 certification
• Required Experience: 10+ years of related experience

Technical Skills:

• Understanding of networking protocols (e.g., IPSEC, MACSEC, HSRP, BGP, OSPF, 802.11, QoS)
• Candidate should be familiar with the following technologies and protocols.
  • Layer 2: Ethernet, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNs
  • Layer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMP
  • Layer 4: TCP, UDP
  • Routing Protocols: BGP, OSPF
  • Other: SNMP, RADIUS, TACACS+
    • F5 BIG IP Load Balancers
    • Cisco Secure Web Appliance

• Ability to setup, configure, upgrade, manage, and troubleshoot Cisco and Juniper routers, switches, firewalls and load balancers
• Experience with various cloud provider environments such as AWS and Azure
• Experience with managing work tasks via tools such as JIRA and ServiceNow
• Previous experience with the following technologies is beneficial but not required:
  • Juniper QFX Series Router
  • Cisco Firepower Threat Defense / Firewall Management Center
• Cisco DNA Center
• Cisco Identity Services Engine
• System configuration based on security guidelines such as DISA STIGs

GDIT is Your Place
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

OWN YOUR OPPORTUNITY
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.

Work Requirements

Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

None

Citizenship

U.S. Citizenship Required