Engineer, Network Security IV

Data Intelligence, LLC is seeking an experienced Network Security Engineer IV to join our team in supporting critical Department of Defense (DoD) cybersecurity initiatives in Dam Neck, VA. This position is fully on-site.

*This position is contingent upon award of contract**

The ideal candidate will bring deep technical expertise in network security, system hardening, and infrastructure protection in alignment with DoD cybersecurity standards. This position requires a strategic thinker with hands-on experience securing and maintaining enterprise networks and systems in classified environments.

Responsibilities:

• Designing, implementing configuration, and enforcing of security controls across network, hardware, and software assets
• Applying DoD Security Technical Implementation Guides (STIGs) to network and system configurations
• Managing large-scale, enterprise-level Active Directory deployments
• Using the Assured Compliance Assessment Solution (ACAS) tool for scanning and compliance
• Configuring/Managing Cisco routers, switches, and firewalls
• Using Wireshark and tcpdump to analyze and troubleshoot network traffic
• Identifying and resolving network connectivity and performance issues
• Implementing and maintaining firewall systems and intrusion detection/prevention systems

Qualifications:

• Bachelor of Science in Information Systems, Information Technology, Computer Science, or Computer Engineering
• 10 years of relevant experience with a Bachelor’s degree
• 8 years of relevant experience with a Master’s degree
• 5 years of relevant experience with a PhD
• Minimum 10 years’ professional experience* in the following areas:
  • • Network Security
    • STIG Implementation
    • Active Directory Management
    • Vulnerability Assessments
    • CISCO Device Configuration
    • Packet Analysis
    • Network Troubleshooting
    • Firewall & IDS/IPS

* 8 years of experience may be accepted for candidates possessing a Masters Degree in a relevant field; 5 years of experience may be accepted for candidates possessing a PhD in a relevant field

• Must have IAT Level III (CASP, CCNP, CISA, CISSP, GCED, GCIH, CCSP)
• CCNP Certification
• Active Secret Clearance or higher – must be TS/SCI eligible

Preferred Skills & Tools:

• Strong understanding of DoD cybersecurity frameworks and compliance (NIST/RMF)
• Experience supporting classified or high-security IT environments
• Problem-solving skills and ability to lead incident response efforts
• Strong documentation and communication skills

Data Intelligence, DI is an established small business that has supported the critical missions of our government clients since 2005. We provide full life cycle system development, systems engineering, cybersecurity, and supporting analytical and logistics support to C4ISR and other complex systems. We are an equal opportunity employer that offers competitive salaries, comprehensive benefits, a team-oriented environment, and opportunities for advancement. Our excellent employee retention record reflects our employee focus. We work with Veteran’s organization to proactively hire those who have served our country. We offer medical, dental and vision insurance, 401k, PTO and 11 paid holidays.

Data Intelligence is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.