Network Engineer Principal

Type of Requisition: Regular Clearance Level Must Currently Possess: None

Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None

Job Family: Cyber and IT Risk Management Job

Qualifications

• Skills: IT Network
• Security, Networking, Network Security Engineering, Vulnerability Management,
• Zscaler Architecture Certifications: None Experience: 8 + years of related
• experience US Citizenship Required: No

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 capabilities that support secure access

to applications, services, and the internet. The ideal candidate brings deep

experience in enterprise networking, secure internet access, authentication, and

cloud-connected SaaS infrastructure. This role focuses on maintaining and

enhancing existing architecture while partnering closely with security,

identity, and cloud engineering teams to ensure reliable and secure connectivity

across the organization. You will join a collaborative engineering team

responsible for internet edge services, secure access platforms, and

foundational network services used by thousands of users and applications across

hybrid cloud environments. MEANINGFUL WORK AND PERSONAL IMPACT Operate and

enhance secure internet access services Manage enterprise web traffic filtering

and cloud-based secure web access platforms Implement and maintain URL

filtering, SSL inspection, and threat protection policies Troubleshoot user

connectivity issues related to secure web access and policy enforcement Support

secure connectivity and network access Configure and maintain secure network

tunnels using technologies such as GRE and IPSec Support enterprise

implementations of Zero Trust security models and access controls Implement

policies that enable secure access to modern business applications, including

AI-enabled services, while maintaining organizational security posture Deliver

secure browser and remote access capabilities Configure and troubleshoot cloud

browser isolation solutions Support secure access platforms that provide

controlled access to internet and SaaS applications Support enterprise

authentication and application delivery Maintain network services that support

authentication mechanisms such as SAML and Kerberos Work with application

delivery and load balancing technologies, including global traffic distribution,

SSL offloading/bridging, URI redirection, and HTTP profile configuration

Maintain critical network infrastructure services Manage DNS infrastructure,

including record creation, monitoring, and troubleshooting Implement DNS

security and protection capabilities Support DNS integration with directory

services and DHCP systems Collaborate across engineering teams Work closely with

security, identity, and cloud engineering teams to implement network controls

that support enterprise security initiatives Mentor junior engineers and

contribute to operational best practices and documentation Participate in

troubleshooting, change management, and incident response activities across

network infrastructure WHAT YOU’LL NEED TO SUCCEED Bring your cyber expertise

and drive for innovation to GDIT. The Network Security Engineer Principal must

have: ● Education: Bachelors degree. In lieu of degree, 14+ years of experience

supporting enterprise networking environments required. ● Experience: 10+ years

of experience supporting enterprise networking environments ● Technical skills:

Strong experience operating internet edge and secure access networking

platforms; SASE tools Experience implementing and troubleshooting secure web

access controls, including URL filtering and SSL inspection Hands-on experience

configuring secure tunnels and encrypted network connectivity (e.g., GRE, IPSec)

Experience working in environments implementing SASE tools Zero Trust security

principles Familiarity with cloud-connected networking environments,

particularly in large hybrid infrastructures Experience supporting application

delivery and load balancing technologies, (F5 and/or CloudFlare) including

authentication integration and SSL handling Strong troubleshooting skills across

network, authentication, and application access layers Experience managing DNS

infrastructure, including security, monitoring, and integration with directory

services Strong understanding of networking fundamentals including routing,

switching, encryption, and identity-aware access controls Zscaler and or

cloudflare experience is required ● Role requirements: Ability to collaborate

effectively across network, security, and identity teams in a large enterprise

environment ● US Person ● Preferred skills and abilities: Industry

certifications in networking, cloud networking, or security disciplines

Experience supporting networking within large-scale cloud SaaS

(Zscaler/CloudFlare) platforms Experience supporting secure access solutions

within enterprise-scale organizations Application delivery and load balancing

technologies such as F5 and CloudFlare DNS infrastructure experience with

BlueCat and CloudFlare 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 a

career in cyber at GDIT and you’ll find endless opportunities to grow alongside

colleagues who share your focus on defending and protecting what matters. The

likely salary range for this position is $124,093 - $161,000. 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. Scheduled Weekly Hours: 40 Travel Required:

10-25% Telecommuting Options: Hybrid Work Location: USA VA Home Office (VAHOME)

Additional Work Locations: Total Rewards at GDIT: 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. Our

Identity Verification Process: As part of the hiring process, we will ask you to

complete an identity verification process that leverages advanced biometrics and

artificial intelligence to ensure authenticity and protect against identity

fraud. You are expected to be on camera during virtual interviews. We reserve

the right to take your picture to verify your identity and prevent fraud. By

proceeding, you authorize the collection, processing, and use of your biometric

data for identity verification and security purposes. About Our Work: 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 gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities /

Protected Veterans Opportunity Owned From working with technologies like AI,

cyber and cloud to careers in intelligence and health, we offer endless

opportunities to apply your expertise to create a safer, smarter world. For more

information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT