IT Network Security Team Lead

Public Trust: NACLC (T3)

Requisition Type: Regular

Your Impact

Own your opportunity to be on the frontlines of health innovation. Deliver for America’s health agency missions and enhance lives for hundreds of millions every day.

Job Description

As an IT Network Security Team Lead, the work you’ll do at GDIT will be impactful to the mission of The National Library of Medicine (NLM) . You will play a crucial role, serving as both a senior technical expert and a team leader within the Network Engineering Section. This role is responsible for overseeing the implementation and enforcement of cybersecurity policies, managing a team of IT security professionals, and coordinating cross-functional efforts to protect the integrity of NLM’s infrastructure.

This position is based at our client’s office in Bethesda, MD and requires onsite presence 3 to 5 days per week .

Key Responsibilities:

Technical Leadership

• Lead the architectural design and integration of security products into the enterprise network.

• Identify and mitigate significant cybersecurity risks, trends, and vulnerabilities.

• Oversee the development and implementation of security strategies, policies, and enforcement mechanisms.

• Review new systems, networks, and software designs for security risks and integration issues.

• Coordinate infrastructure protection efforts in compliance with HHS and NIH directives (e.g., HSPD-7).

Team Management

• Supervise and mentor a team of IT security specialists and contractors.

• Assign tasks, monitor progress, and ensure timely delivery of security initiatives.

• Serve as the escalation point for complex security incidents and technical challenges.

Program Oversight

• Coordinate with NLM Incident Response Team in investigations of security violations.

• Coordinate with HHS CSIRC, OIG, and law enforcement as needed.

• Recommend and track remediation actions and ensure follow-through.

Operational Duties

• Coordinate with IT operations teams on firewall upgrades and SSL VPN tunnel management.

• Monitor and enforce security policies across Cisco, Juniper, and Palo Alto firewalls.

• Evaluate and implement security tools to protect information resources.

WHAT YOU’LL NEED TO SUCCEED:

Education :

• Bachelor’s degree in computer science, cybersecurity, information technology, or related field (or equivalent practical experience)

• Minimum Work Experience: 10 years (8 with MS; 14 without degree)

• Specialized Experience: 5 years of system administration; 7 years system security administration

Experience :

• Experience with Cisco/Fortigate (Fortinet), Juniper, and Palo Alto security platforms

• Proficiency with tools like Nmap, Wireshark, tcpdump

• Strong grasp of networking protocols (TCP/UDP, OSI Model, VLANs, routing)

• Excellent communication, documentation, and leadership skills

• Experience leading a team of 3-5 network security engineers

• Certification: CISSP (or ability to obtain within 6 months)

• Ability to obtain a Public Trust

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Desired Qualifications:

• Familiarity with SIEM, proxy, and URL filtering systems

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Work Requirements

Years of Experience

10 + years of related experience

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

Certification

Travel Required

None