Network Infrastructure Security Specialist

Seize your opportunity to make a personal impact as a Network Infrastructure Security Specialist supporting the United States Postal Service. 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 Infrastructure Security Specialist, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Network Infrastructure Security Specialist joining our team to analyze design, develop, implement, and support code for our government customer, the United States Postal Service.

HOW A NETWORK INFRASTRUCTURE SECURITY SPECIALIST WILL MAKE AN IMPACT

In this role, a typical day will include:

• Responsible for tracking, managing, liaison, and coordinating with internal and external stakeholders to develop, implement, and monitor security control measures as they are related to USPS network infrastructures. The major stakeholders will include, but not limited to, network operations, SOC, Enterprise security architecture, CISO, USPIS, DHS/CISA and their subordinate organizations. The roles and responsibilities will line up with functional teams within Network Operations, in support of their prevailing efforts at the time.  The ideal candidate for this job will be an experienced information security practitioner with a solid understanding of AI/LLM, and who is goal-oriented and strives to exceed expectations.
• Develop, document, and deploy security solutions, both through novel and innovate use of native capabilities of existing tools or through development, to include leveraging AI/ML capabilities.
• Provide Security guidelines based existing security policies and standards to the Network Ops and CISO.
• Monitor and validate network infrastructure practices to ensure adherence to security policy and governance
• Develop and document, for implementation, use cases for CSOC
• Coordinate within the group to interpret and issue guidance in accordance with known policies and governance
• Engage stakeholders to identify or develop guidance and policy regarding their focus areas.

WHAT YOU’LL NEED TO SUCCEED:

Education:

• Bachelor's Degree in Computer Science or related technical discipline, preferred but not required.
• NOTE: If resources do not have a relevant college degree, an additional 4 years of relevant work experience is required.

Required Experience:

• 11+ years’ experience in IT, data, or operational analysis, and/or security.
• One or more of the following certifications:  CISSP, Certified Ethical Hacker (C|EH), CISM, CCNP
• Strong knowledge of network design and security principles, including network segmentation, MPLS, Internet access, SASE/SD-WAN, DIA, SSE, FWaaS, SWG, ZTNA, and how to engage and intertwine AI and LLM into the   design and security principles
• Strong knowledge of netflow/data analytics/network access control for compliance validation and Incident response / threat monitoring (e.g., Cisco ISE, StealthWatch, Netscout).
• Ability to work independently or within a group to identify and develop solutions to complex network and security issues.
• In depth experience with Network Services and their security features, to include DNS, DHCP, IP management, DNS security (CISA PDNS, Bluecat Address Manager, Bluecat DNS Edge, Bluecat Gateway, IPAM, and Splunk)
• Strong knowledge of network-based security measures, e.g., FW, IDS/IPS, explicit/transparent Proxy, Loadbalancers, and LAN segmentation
• Knowledge of host-based data and asset protection, including, AV, Host based FW, X/NDR, data encryptions.
• Knowledge of NIST CSF, NIST SP 800 (e.g., NIST SP 800-53)
• Knowledge of Security Standards (e.g. AS805)
• Project planning experience
• Excellent writing skills
• Microsoft office suite of applications, Visio.

Security Clearance Level:

• Ability to obtain and maintain a Public Trust clearance and successfully pass a thorough Government background screening process requiring the completion of detailed forms and fingerprinting
• This position has a U.S. residency requirement. The USPS security clearance process requires the selected candidate to have resided in the U.S. (including U.S. Territories) for the last five years as follows: U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 6 months consecutively in the last 3 years (unless they meet certain exceptions). Non-U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 90 days consecutively in the last 3 years.

Location:

• Morrisville, NC
• Falls Church, VA
• Eagan, MN
• Remote Considered

GDIT IS YOUR PLACE:

• 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-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

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