Sr. Network Engineer

CGI•Washington, DC

About The Position

CGI Federal is a leader in providing IT and cybersecurity solutions, dedicated to supporting mission-critical defense and intelligence initiatives. We are committed to enhancing national security through innovative technology and expert collaboration. We are seeking a Senior Network Engineer to design, install, maintain, and evaluate network and communications systems. This role involves gathering user network requirements, producing clear technical documentation, and supporting a multi-enclave environment that enables secure access to data across the network infrastructure.

Requirements

Bachelor's degree in Computer Science, Cybersecurity, or a related field.
Minimum of 8 years of experience in cyber operations, cybersecurity, or a related field.
Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) with a CI polygraph.
Strong understanding of multi-enclave network environments.
Demonstrated experience designing and implementing secure networks in government environments.
Experience with the SAFe Agile framework.
Network hardware (Cisco, Arista, SonicWall)
Network protocols (TCP/IP, DNS, DHCP, HTTP/S)
Firewall configuration and management
Load balancer implementation
Software-defined networking
VPN technologies
Network security principles and practices
Network monitoring and troubleshooting tools
Network performance optimization
Cloud networking (AWS GovCloud, SC2S, C2S)
Containerization networking (Docker, Kubernetes)
Infrastructure as Code (Terraform)
Tunneling protocols (GRE, IPSec, SSH, SSL)
Cross-domain solutions
Network automation and orchestration

Nice To Haves

Relevant network certifications (CCNP, CCIE, or equivalent) preferred.
Experience with Nutanix.
Familiarity with DevSecOps practices and tools.

Responsibilities

Design, install, maintain, and evaluate network and communications systems.
Gather user network requirements using multiple methodologies.
Provide technical documentation, system requirements documents, and security requirements.
Troubleshoot and resolve network issues involving various protocols, topologies, and networking hardware.
Assist with network architecture design, feasibility, and cost studies.
Improve processes for deploying and maintaining network infrastructure.
Work independently and collaboratively to enhance network solutions.
Design, deploy, test, certify, and patch network components, including switches, firewalls, and load balancers.
Address interoperability issues for all features, components, and application dependencies.
Respond to and resolve critical network incidents within designated resolution timelines.

Benefits

Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging.
Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life.
That’s why we call ourselves CGI Partners rather than employees.
We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value.
You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last.
You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.