Sr. Network Engineer

Company: CGI
Location: Washington
Posted on: April 1, 2026

Job Description:

U.S. - What we do matters By playing this video you consent to Google/YouTube processing your data and using cookies – Learn more . Position Description: 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. Your future duties and 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. Required qualifications to be successful in this role: 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. Advanced Proficiency With: 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 Desired Qualifications: Relevant network certifications (CCNP, CCIE, or equivalent) preferred. Experience with Nutanix. Familiarity with DevSecOps practices and tools. CGIFederalJob LI-DD1 What you can expect from us: 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. Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business. CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned. We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members. All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances. CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.

Keywords: CGI, Ellicott City , Sr. Network Engineer, IT / Software / Systems , Washington, Maryland