IT Network Security Team Lead

Company: GD Information Technology
Location: Bethesda
Posted on: April 2, 2026

Job Description:

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: NACLC (T3) Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Disaster Recovery (DR), Firewalls, Security Certifications: None Experience: 10 years of related experience US Citizenship Required: No 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 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 - $218,500. 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. Scheduled Weekly Hours: 40 Travel Required: None T elecommuting Options: Hybrid Work Location: USA MD Bethesda Additional Work Locations: Total Rewards at GDIT: 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 30,000 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. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Keywords: GD Information Technology, Alexandria , IT Network Security Team Lead, IT / Software / Systems , Bethesda, Virginia