Senior Network Administrator

Overview/ Job Responsibilities

Position is contingent upon contract award and funding.

Sev1Tech is looking for a Senior Network Administrator supporting the ALTESS Windows team in a mixed and growing environment currently supporting functional teams and customers that utilize MS Windows server 2019/2022, MS SQL 2019, MS Windows 11, VMWare 7.x.,OEL 8x-9x, and Oracle Operating systems.

The responsibilities include but are not limited to:

• Work with the existing team members who are responsible for designing and supporting multiple complex networks in different locations
• Help lead in the strategies to manage, maintain, deploy, troubleshoot and support networks for multiple customer environments
• Lead efforts to plan, execute and implement new network implementations
• Responsible for creating and maintaining team technical instructions, operating procedures, and policies as needed
• Ability to be adept at monitoring and tuning system and network performance, ongoing operation of the network, hardening of the network and reporting of the overall security and operational status
• Recommend improvements to the enterprise and manage new SW/HW integrations when required while also providing utilization reports using existing tools to identify problems and corrective actions as needed
• Provide support toward the lifecycle of a mixed environment of vendor equipment in the datacenter to include firmware version control and periodic preventive maintenance
• Recommend, demonstrate, and implement technologies to help expand, upgrade, and increase efficiency to the current environment
• Excellent communication and team skills

Minimum Qualifications

• Active DoD Secret Security Clearance
• CompTIA Security+
• Computing Environment (CE) Certification (i.e., MCSE, Server+, CCNA, RedHat, Palo, etc.), RedHat, Palo, etc., can be waived for 30 days after project join date
• Experience in Computer Science or IT
• Minimum three years’ experience designing, implementing, documenting, and maintaining complex networking solutions
• Minimum three years’ experience configuring, updating, maintaining, administering, and migrating Palo Alto Firewalls
• Minimum three years’ experience with Network Management, Analysis, and troubleshooting tools such as SolarWinds, Cisco Prime, Palo Alto Panorama, Men and Mice, etc
• Minimum five years’ experience configuring, updating, maintaining, and administering the following Cisco technologies: Cisco Nexus (9K, 7K, 5K, and 2K), Cisco Catalyst switches, Cisco Aggregation Services Router (ASR) and Integrated Services Router (ISR) routers, and Cisco Firepower
• Minimum three years’ experience or working knowledge of SW Defined Networking
• Minimum three years' experience creating, maintaining, following Standard Operating Procedures for repeatable processes, disaster recovery, and common problem resolution
• Strong interpersonal skills and willingness to be a team player

Desired Qualifications

• Bachelor's degree in computer science or equivalent years of experience
• Three or more years’ experience in automation and scripting with Python, Pearl, TCL, or Ansible
• Three or more years’ experience supporting Cybersecurity patch management and Security Technical Implementation Guides (STIG), SRG, RMF, SCA-V, and Cyber Operational Readiness Assessments (CORA)
• Enterprise Resource Planning Support Lead (Program Manager – Intermediate)

About Sev1Tech LLC

Founded in 2010 and recently acquired by ERT in early 2026, Sev1Tech, an ERT Company provides IT, engineering, and program management solutions delivery to critical missions across Federal and Commercial Clients. With its acquisition by ERT, Sev1Tech expanded its ability to offer secure, mission-aligned digital solutions to support modernization, resilience and operational effectiveness for government customers operating in highly regulated mission environments. ERT and Sev1Tech together become a fully diversified engineering and federal technology solutions firm with broad reach into space, civilian, and defense markets.

Please apply directly at: https://careers-sev1tech.icims.com. For questions or to submit a referral, please contact: recruiting@sev1tech.com

Sev1Tech is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.