Senior Network Administrator

Tyto Athene is searching for a Senior Network Administrator to support U.S. Southern Command on the SCITES II Contract in Doral, Florida.

 

The Senior Network Administrator is responsible for architecting, securing, and maintaining robust and scalable enterprise network environments in support of USSOUTHCOM’s missions-critical operations. This role requires expertise in Cisco and Aruba technologies, enforcement of Zero Trust security, privileged access control (CyberArk), and lifecycle infrastructure planning. The ideal candidate will lead technical initiatives, ensure compliance with DoD cybersecurity policies, and mentor junior staff.

 

Responsibilities:

• Lead design and implementation of secure, scalable network infrastructure including Cisco core routing/switching and Aruba wireless networks
• Provide expert recommendations for Lifecycle Replacement strategies and plan future-state network enhancements
• Architect and maintain enterprise-wide 802.1X enforcement, CyberArk access policies, and integration with Thunderdome Zero Trust framework
• Oversee VPNs, firewalls, VLANs, site-to-site secure communications, and RMF-compliant operations
• Evaluate emerging technologies and recommend adoption plans
• Execute lifecycle management of network infrastructure, align operations with risk mitigation, cybersecurity, disaster recovery, and continuity of operations strategies
• Provide Tier-3 support for escalated network issues and wireless performance tuning
• Mentor junior network admins and conduct design and implementation reviews

Required:

• Bachelor’s degree in Information Technology, Computer Science, Networking, or related field
• 10+ years of professional experience in network administration or engineering roles
• Proven hands-on experience with Cisco, Aruba, and enterprise networking hardware
• Strong understanding and implementation experience with: 1X, Aruba ClearPass, and CyberArk routing and switching protocols, firewalls, VPNs, and VLAN segmentation
• Ability to architect, implement, and maintain secure, DoD-compliant networks
• Familiarity with Zero Trust architecture and frameworks such as Thunderdome
• Ability to provide Lifecycle Replacement recommendations and long-term infrastructure planning

Desired:

• Master’s degree in Information Systems or related field
• Cisco Certified Internetwork Expert (CCIE)
• CISSP
• Aruba certifications (e.g., ACMP, ACMX)
• ITIL v4 Foundation or higher
• Experience with classified network environments, RMF, and STIG compliance
• Experience leading teams or mentoring junior network administrators

Clearance:

• TS/SCI clearance required

Certification:

• DoD 8570 Baseline & CE certifications are required for all positions and may vary slightly depending on the skillset required to perform the role
• CompTIA Security+ CE
• Cisco Certified Network Professional (CCNP)

Compensation:

• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.

Benefits:

• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and maternity/paternity leave.

Qualifications

Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains—Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT—empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety client