Senior Network Administrator

MANTECH seeks a motivated, career and customer-oriented Senior Network Administrator to join our team in Key West, FL.

Responsibilities include but are not limited to:

• The Senior Network Administrator leads the design, implementation, and maintenance of complex network infrastructure across multiple security domains, including classified networks, ensuring high availability and robust security
• They possess expert-level knowledge of advanced networking protocols, security best practices, and infrastructure technologies
• They manage complex network infrastructure devices, implement and enforce network security policies, configure advanced access control lists (ACL), and leverage software-defined networking (SDN) solutions
• They conduct advanced system troubleshooting, implement comprehensive backup and recovery strategies, and ensure the high availability and resilience of critical network services
• They lead the development and maintenance of detailed network documentation, provide expert technical guidance and mentorship to Junior and Mid-Level Administrators, and conduct in-depth research on emerging technologies
• They contribute to the development and delivery of specialized network security training and awareness programs, promoting a culture of security awareness
• The Senior Network Administrator provides direction and mentorship to subordinate staff

Minimum Qualifications:

• BA/BS in field necessary to assume Senior Network Administrator duties or 4 years of additional experiene in lieu of a degree
• 9+ years of experience 5+ years of position-specific relevant experience.
• Deep understanding of network design, implementation, and troubleshooting.
• Specialized knowledge in areas like network security, cloud computing, network automation, or specific protocols may be required.
• CompTIA Network+ and Security+, Cisco Certified Network Professional (CCNP), or other vendor-specific certifications.

Desired Qualifications:

• Master’s degree in a network engineering, cybersecurity, or information systems, or a related field. Experience supporting DoD programs and with cloud-based technologies.
• Experience with military/diplomatic operations working within a J-6/G-6/S-6 Directorate or with Special Operations Forces (SOF) or the Department of State (DoS), leading and performing cybersecurity risk assessments for and across multiple commands, agencies, and regionally distributed locations in a Security Operations Center (SOC).
• ITIL Foundation certificate. Cisco Certified Internetwork Expert (CCIE), Certified Information Systems Security Professional (CISSP), Cloud Certifications (e.g., AWS, Azure, or Google Cloud).
• Experience at a DoD Combatant Command (e.g., SOUTHCOM, NORTHCOM, CENTCOM, CYBERCOM, INDOPACOM, EUCOM, AFRICOM, STRATCOM, TRANSCOM, SOCOM, SPACECOM) or a component is desired.

Clearance Requirements:

• Must have an active TS/SCI clearance

Physical Requirements:

• Must be able to remain in a stationary position 50%
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.