Network Infrastructure Security Specialist

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

MBI (T2)

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Information Technology Security, Infrastructure Security, Network Infrastructures

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

No

Job Description:

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