Network Engineer (Cloud) - TS/SCI with Polygraph

General Dynamics Information Technology (GDIT); Vienna (VA); On-site; USD 162,000 - 219,000; Full time

Benefits offered by this job

401K with company match

Health & wellness

Internal mobility

Education & certifications

Cutting-edge technology

Paid time off

Job summary

General Dynamics Information Technology seeks a Network Engineer (Cloud) to support an enterprise IT environment at Tysons, VA. The role focuses on scalable networking, security, and cloud connectivity, requiring 10+ years of experience and U.S. citizenship.

You will work on Cisco ISR/ASR routers, Catalyst/Nexus switches, firewalls, and VPN technologies, ensuring robust IP routing, VLAN design, and monitoring. Collaboration with security and cloud teams is essential.

Qualifications

• Demonstrated experience supporting enterprise-scale networking environments.
• Demonstrated experience with Cisco ISR/ASR routers, Catalyst/Nexus switches, ASA and Firepower firewalls.
• Demonstrated experience with IP routing protocols (OSPF, EIGRP, BGP), VLAN design and STP/RSTP/MST, HSRP/VRRP/GLBP, IP services (NAT, ACL, QoS), and traffic monitoring.
• Demonstrated experience with SolarWinds, PRTG, Cisco Prime, and packet capture tools (Wireshark, tcpdump).
• Demonstrated experience or strong understanding of DHCP, DNS, NTP, IP subnetting, and route summarization.
• Demonstrated experience in IPsec, SSL, DMVPN, site-to-site, and remote access VPN technologies.
• Demonstrated experience with understanding NIST and IC cybersecurity policies, standards, and best practices.

Responsibilities

• Support enterprise-scale networking environments.
• Work with Cisco ISR/ASR routers and Catalyst/Nexus switches.
• Implement and troubleshoot IP routing, VPNs, and security policies.
• Utilize network monitoring and packet analysis tools.
• Apply knowledge of DHCP/DNS/NTP and subnetting.
• Adhere to NIST/IC cybersecurity standards.
• Leverage automation tools like Python or Ansible where applicable.

Skills

Enterprise networking

Cisco ISR/ASR routers

Catalyst/Nexus switches

IP routing

DHCP/DNS/NTP

IPsec/SSL/VPN

NIST/IC cybersecurity

Network monitoring

Wireshark/tcpdump

SolarWinds/PRTG/Cisco Prime

Education

Bachelor's degree in Computer Science/Engineering

Tools

SolarWinds

PRTG

Cisco Prime

Wireshark

tcpdump

Python

Ansible

AWS

Azure

Job description

Req ID: RQ229407

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: None

Public Trust/Other Required: None

Job Family: IT Infrastructure and Operations

Skills:

Cisco ASR,Cisco Catalysts,IP Routing,Solarwinds

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

Seize your opportunity to make a personal impact as a Network Engineer (Cloud) supporting an information technology enterprise. At GDIT, people are our differentiator. As a Network Engineer (Cloud) you will help ensure today is safe and tomorrow is smarter.

REQUIRED SKILLS:

• Demonstrated experience supporting enterprise-scale networking environments
• Demonstrated experience with Cisco ISR/ASR routers, Catalyst/Nexus switches, ASA and Firepower firewalls.
• Demonstrated experience with IP routing protocols (OSPF, EIGRP, BOP), VLAN design and spanning-tree protocols (STP/RSTP/MST), HSRPNRRP/GLBP, IP services (NAT, ACL, QoS), and traffic monitoring.
• Demonstrated experience with SolarWinds, PRTG, Cisco Prime, and packet capture tools (Wireshark, tcpdump).
• Demonstrated experience or strong understanding of DHCP, DNS, NTP, IP subnetting, and route summarization.
• Demonstrated experience in IPsec, SSL, DMVPN, site-to-site, and remote access VPN technologies.
• Demonstrated experience with understanding NIST and IC cybersecurity policies, standards, and best practices.

HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENC

• Demonstrated experience with network automation platforms and tooling such as Python or Ansible.
• Demonstrated experience with SD WAN technologies such as Cisco SD WAN/Viptela.
• Demonstrated experience with cloud networking services such as AWS or Azure.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Experience: 10+ years
• Location: Tysons, VA (On Customer Site)
• US Citizenship Required

GDIT IS YOUR PLACE:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

#WeAreGDIT

#JET

#GDITEnhanced2026

#VA_2026Alumni

The likely salary range for this position is $162,037 - $219,227. 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.

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 technology solutions 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 mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans