Network Security Engineer - TS/SCI Polygraph
Listed on 2025-12-19
-
IT/Tech
Cybersecurity, Systems Engineer, IT Consultant, Network Security
Type of Requisition:
Regular
Clearance Level Must Currently Possess:Top Secret SCI + Polygraph
Clearance Level Must Be Able to Obtain:Top Secret SCI + Polygraph
Public Trust/OtherRequired:
None
Job Family:Cyber and IT Risk Management
Job Qualifications:Skills: Industrial Control System, Risk Assessments, Splunk Enterprise Security, Supervisory Control and Data Acquisition (SCADA)
Certifications: None
Experience: 8 + years of related experience
US Citizenship
Required:
Yes
Seize your opportunity to make a personal impact as a Network Security Engineer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.
At GDIT, people are our differentiators. As a Network Security Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Network Engineer joining our highly skilled team to be a premier provider of cyber security services to the customer.
HOW A NETWORK SECURITY ENGINEER WILL MAKE AN IMPACT- Communicate with team leaders and senior leadership, assess changes, and rapidly change direction in support of new and/or changing program requirements.
- Identify risks to the critical infrastructure of the customer to protect against cyber threats from foreign states, hackers, and internal sources.
- Utilize operations technology knowledge to integrate cybersecurity tools to identify, detect, protect, respond, and recover from cybersecurity events.
- Serve as a customer facing expert in intrusion detection and prevention systems, network detection and response, packet capture, and/or other tools, supporting them to achieve success with the technology for their overall cybersecurity efforts.
- Collaborate with project teams on their network architecture, sensor placement, and planning activities for the deployment of new technology.
- Analyze and help maintain a process to coordinate improvements to the cyber security of critical infrastructure in a collaborative process with critical infrastructure owners to determine if current cyber security requirements are sufficient given current and projected risks.
- Education
:
Bachelors (Computer Engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or closely related discipline) - Required Experience
: 8+ yrs - Required Technical
Skills: - Demonstrated experience working in Network Defense, Network Security Architecture, and Networking Technology (various devices and vendors)
- Experience designing to a broad range of policy, standards and common risk management methodologies - for example, NIST, ISO 27001/27002, PCI/DSS, COBIT, ITIL, ISO 2000, etc.
- Demonstrated experience with Splunk, SIEM, and network data analytics
- Knowledge of IT and OT protocols, IP networks, OSI model, and other protocols utilized by the customer
- Possess good troubleshooting and problem-solving skills, strong technical and analytical abilities, and strong oral and written communication skills.
- Ability to identify new technologies, assess their technical and performance characteristics, as well as utilize proficiency in risk assessment methodologies
- Ability to create complex system designs, resolve engineering problems, and propose preventive strategies.
- Ability to write technical documents addressing complex, sensitive issues
- Strong analytical and problem-solving skills
- Demonstrated ability to analyze Information System (IS) test results and suggest compensating controls for meeting IS security requirements
- Desired
Qualifications: - Linux (command line) experience (minimum of intermediate skill/experience), CENTOS, scripting languages (python, shell, etc.)
- On-premises and Cloud software solutions for enterprise
- Security Clearance Level
: TS/SCI with active polygraph - Desired
Certifications: - Cyber security certification in one or more of the following: CISSP, CCNP, CCSP
- Location
:
Herndon, VA - customer site
- 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-edg…
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