Req ID: RQ222010
Type of Requisition: Regular
Clearance Level Must Be Able to Obtain: None
Public Trust/Other Required: None
Job Family: IT Infrastructure and Operations
Skills:
Enterprise Network,Network Architecture,Network Engineering,Network Infrastructures
Experience:
8 + years of related experience
Job Description:
We are seeking a Network Engineer Principal to join our enterprise infrastructure team supporting a large, complex environment spanning cloud and enterprise network services. This is a hands-on engineering role responsible for implementing, operating, and continuously improving critical network infrastructure that supports enterprise applications, services, and users across hybrid environments.
The ideal candidate brings deep experience in enterprise routing, switching, network security, and core infrastructure services . This role focuses on implementing and operating existing network architecture while identifying opportunities to improve performance, reliability, and operational efficiency across the network environment. You will join a collaborative engineering team responsible for maintaining large-scale enterprise networking platforms, including routing, switching, security infrastructure, and foundational network services used by thousands of users and applications.
MEANINGFUL WORK AND PERSONAL IMPACT:
Operate and improve enterprise network and security infrastructure
Install, configure, and support enterprise network equipment including routers, switches, and core network services
Continuously improve network reliability, performance, and operational efficiency across large-scale deployments
Configure and support enterprise firewall platforms, including access control policies, VPNs, and secure tunnels
Maintain secure network connectivity across internal networks, remote sites, and cloud environments
Maintain network infrastructure through firmware updates and lifecycle management
Support routing, switching, and core network protocols
Configure and troubleshoot routing and switching infrastructure across large enterprise environments
Support dynamic routing protocols such as BGP and OSPF
Maintain strong operational knowledge of network layers (L1/L2/L3) and how they impact service delivery
Manage foundational network services
Manage enterprise DNS infrastructure, including record creation, monitoring, troubleshooting, and lifecycle management
Support DNS security and protection mechanisms
Maintain integration between DNS, directory services, and DHCP systems
Troubleshoot complex network problems
Provide advanced troubleshooting and resolution for complex network performance or connectivity issues
Utilize monitoring and diagnostic tools to identify and resolve infrastructure problems
Participate in incident response, root cause analysis, and operational improvement efforts
Collaborate across engineering teams
Partner with cloud, security, and infrastructure teams to support enterprise networking requirements
Contribute to network design documentation, operational runbooks, and engineering best practices
Mentor junior engineers and support knowledge sharing within the engineering organization
WHAT YOU'LL NEED TO SUCCEED
The Network Engineer Principal must have:
Education: High School diploma required
Experience: 8+ years of related experience with a Bachelor's degree; in lieu of Bachelor's degree, an additional four (4) years of experience is required
Strong hands-on experience with enterprise routing and switching
Deep understanding of networking protocols such as TCP/IP, DNS, HTTP/HTTPS, and VPN technologies
Experience operating and troubleshooting dynamic routing protocols such as BGP and OSPF
Experience configuring and maintaining enterprise firewall platforms, VPN connectivity, and network security control
Experience managing DNS infrastructure, including monitoring, security, and integration with enterprise directory services
Experience supporting enterprise wireless and device authentication environment
Experience working within large enterprise or service provider environments
Familiarity with network monitoring and diagnostic tools
Ability to collaborate effectively across infrastructure, cloud, and security engineering teams
Preferred skills not required:
Experience with leading enterprise networking platforms such as JUNOS-based systems, Silverpeak SDWAN, BlueCat and Palo Alto Firewalls
Experience with SASE
Experience supporting networking in hybrid cloud environments
Familiarity with network automation, scripting, or infrastructure automation frameworks
Experience contributing to network design documentation and operational standards
Industry certifications in networking, cloud networking, or security disciplines
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.
The likely salary range for this position is $110,500 - $149,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
