IT Network Security Team Lead

General Dynamics Information Technology; Bethesda (MD); On-site; USD 164,382 - 195,500; Full time

Benefits offered by this job

Medical plan options

Dental plan options

Vision plan

401(k) plan with company match

Flexible work weeks

Paid time off plans

Job summary

General Dynamics Information Technology is seeking an IT Network Security Team Lead in Bethesda, Maryland. In this role, you will influence cybersecurity at The National Library of Medicine by leading a dedicated team and enforcing vital security policies.

The position requires a Bachelor’s degree in a relevant field and extensive experience, with a competitive salary ranging from $164,382 to $195,500 based on qualifications.

Qualifications

• 10+ years of related experience in cybersecurity.
• 5 years of system administration experience.
• 7 years of system security administration experience.

Responsibilities

• Lead the architectural design and integration of security products into the enterprise network.
• Oversee the development and implementation of security strategies and policies.
• Supervise and mentor a team of IT security specialists.

Skills

Disaster Recovery (DR)

Firewalls

Security

Education

Bachelor’s degree in computer science, cybersecurity, information technology, or related field

Tools

Nmap

Wireshark

tcpdump

Cisco

Fortigate (Fortinet)

Juniper

Palo Alto

Job description

Req ID: RQ222369

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: Secret

Public Trust/Other Required: NACLC (T3)

Job Family: Cyber and IT Risk Management

Skills:

Disaster Recovery (DR), Firewalls, Security

Experience:

10+ years of related experience

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).
• Security Clearance: Ability to obtain Level 2 Secret (ANACI).

Desired Qualifications :

• Familiarity with SIEM, proxy, and URL filtering systems.

#GDITHealth #GDITFedHealthJobs

The likely salary range for this position is $164,382 - $195,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans