Demo

Network Engineer - U.S. Citizenship Required

CGI
Fairfax, VA Full Time
POSTED ON 12/28/2025
AVAILABLE BEFORE 3/31/2026
Position Description

CGI is one of the top 5 largest global IT companies spread across 40 countries with endless opportunities to expand and grow. As a CGI Federal Member, you have the opportunity to be a shareholder at CGI and join a family of 90,000 members strong.

We are currently seeking candidates to join our successful Federal organization as a Network Engineer for an enterprise cybersecurity opportunity supporting our DHS CDM DEFEND program. The position involves troubleshooting network and AWS cloud issues to keep our clients operational. Candidates will design and configure build plans and create automated solutions that can be framed worked and re-used within the program as needed.

This position is located in one of CGI Federal's offices in Fairfax, VA or Lafayette, LA; however, a hybrid working model is acceptable. You will be required to work in a CGI Federal office two days per week.

Your future duties and responsibilities

  • Manage and administer Palo Alto firewalls, including policy updates and threat management.
  • Configure and maintain Site-to-Site IPSec VPNs for secure inter-site connectivity.
  • Collaborate with hosting teams managing load balancers.
  • Monitor, troubleshoot, and optimize network performance using standard tools and methodologies.
  • Maintain comprehensive documentation for configurations, topologies, and operational procedures.
  • Contribute to network integration, solution design, and scalable infrastructure enhancements.
  • Oversee IPAM and DNS, and optimize load-balancing solutions, particularly F5.
  • Familiarity with Microsoft and Linux technologies.
  • Demonstrate strong teamwork and secure working practices.
  • Adaptability to work within a changing environment.
  • Exhibit strong organizational and written/verbal communication skills.
  • Update documentation such as standard operating procedures
  • Maintain a positive attitude and team focus.

Required Qualifications To Be Successful In This Role

  • Due to the nature of the government contract requirements and/or clearance requirements, US citizenship is required.
  • Must be able to obtain and maintain a DHS Entry on Duty (EOD) clearance.
  • Experience: 5–8 years of relevant experience in enterprise network engineering and support.
  • Proficiency with Palo Alto firewalls, Site-to-Site VPNs, and LAN/WAN architectures.
  • Solid understanding of TCP/IP, routing protocols (BGP, OSPF), and network security principles.
  • Experience troubleshooting network traffic flow in AWS infrastructure.

Desired qualifications/non-essential skills required:

  • Experience with automation tools and scripting languages (Ansible) for network management.
  • F5 Load balancers
  • Experience in designing and implementing network security measures, including intrusion detection/prevention systems.
  • Knowledge of emerging technologies and trends in network security and cybersecurity.

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $100,800.00 - $245,500.00.

CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:

  • Competitive compensation
  • Comprehensive insurance options
  • Matching contributions through the 401(k) plan and the share purchase plan
  • Paid time off for vacation, holidays and sick time
  • Paid parental leave
  • Learning opportunities and tuition assistance
  • Wellness and well-being programs

#CGIFederalJob

#DHSCareers

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.

Salary.com Estimation for Network Engineer - U.S. Citizenship Required in Fairfax, VA
$107,208 to $127,186
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