Network Security Engineer

Clearance Level
Top Secret
Systems Engineering
Washington, District of Columbia
Hybrid Workplace
Key Skills For Success

Information Technology (IT) Systems Support

Information Technology Security

Management Tools

Operations Management

Software Applications

REQ#: RQ143649
Requisition Type: Pipeline
Your Impact

Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being of U.S. citizens.

Job Description

We are GDIT. We support and secure some of the most complex government, defense, and intelligence projects across the country. At GDIT, cyber security is not just a singular part of our mission—it connects every one of us because it’s embedded into every aspect of what we do.

GDIT is your place. You make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter. Our work depends on a Network Security Engineer joining our team to support DOJ activities in Washington, DC.

At GDIT, people are our differentiator. As a Network Security Engineer supporting DOJ Justice Management Division (JMD), you will be trusted to lead, or support enterprise-level operational support capabilities within Information Security with the focus on Securing Perimeter, Cloud, Automation and Manufacturing Systems.  In this role, a typical day will include:


  • Collaborating with DOJ JMD to define and implement Information Security Services strategies, standards, tools, and processes.  
  • Play a key role in designing, deploying, and maintaining solutions to build a rapidly growing 24/7 global operation
  • Management and implementation of physical as well as AWS-based firewalls, proxies, VPN concentrators, and related network protection technologies.
  • Develop, implement, and sustain network operating rules, objects, and flows across a complex, global enterprise.
  • Collaborate with analysts, engineers, data scientists to deliver continuous improvement in cyber defense/resilience.
  • Work with and provide guidance to Security Operations and other Information Security team activities on security strategies, processes, response, and technologies
  • Provide support to Incident Response on security incidents including mock security incident exercises
  • Critically analyze network infrastructure to find opportunities to improve efficiencies and reduce the threat profile
  • Provide mentorship and training on areas of expertise to Information Security and other internal teams


  • Bachelor's degree in Information Systems, Computer Science, Computer Engineering, or related field
  • Ten (10) years of relevant experience
  • Relevant industry certification, such as CISSP, Security5, CompTIA Security+  
  • Experience in areas, such as the following:
    • Creating a network architecture that considers functional requirements, technical considerations, business processes and end users
    • Creating a wide variety of IT system architectures
    • Proactive research and providing recommendations for continuous improvement on information security technologies, processes, and services
    • Evaluating new and emerging network security trends, products, and technologies
    • Architecting, engineering, and troubleshooting Fortinet firewalls and services
    • Engineering application and network designs to ensure compliance with corporate security policies and security best practices
    • Configuring and installing network and security related hardware and software
    • Troubleshooting network and providing and briefing Post Incident Writeups (PIRs)
    • Proactively identifying, isolating, and resolving network problems to avoid minimal impact to the business
    • Performing internal audits and reviews to ensure compliance with all security policies and procedures which includes internal penetration and vulnerability scans
    • Managing and maintaining network and security documentation through collaborative applications


  • Top Secret Security clearance
  • Location: Hybrid, On Customer Site


  • Full-flex work week
  • 401K with company match
  • Internal mobility team dedicated to helping you own your career
  • Collaborative teams of highly motivated critical thinkers and innovators
  • Ability to make a real impact on the world around you
  • Rest and recharge with paid vacation and holidays

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Work Requirements
Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree


CISSP: Certified Information Systems Security Professional - (ISC)2

Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.