Senior Network Administrator

Job Description

CSCI Consulting is looking for a Senior Network Administrator to support and optimize enterprise network infrastructure across development (SDE) and production (PROD/PSS) environments.  This position plays a critical role in ensuring secure, scalable, and highly available network operations. The ideal candidate brings strong technical acumen in both traditional and cloud-integrated systems, proficiency in automation, and experience working in secure federal or defense-related environments.

Responsibilities

 

• Administer and maintain enterprise network and server infrastructure, including virtualized and cloud-integrated systems.

• Monitor network performance and health; diagnose and resolve issues related to connectivity, latency, and configuration.

• Apply patches, firmware updates, and configuration changes to routers, switches, firewalls, and load balancers.

• Support system optimization, capacity planning, and performance tuning across environments.

• Execute backup, restore, and disaster recovery procedures in line with continuity of operations (COOP) requirements.

• Automate routine administrative tasks and monitoring using scripting languages such as Bash, PowerShell, or Python.

• Document network configurations, events, changes, and incident responses per established operational standards.

• Collaborate with system administrators, cybersecurity teams, and engineers to maintain compliance with DoD cybersecurity standards, including IAVA, STIGs, and audit readiness.

• Support interface management and integration with external systems, ensuring security and data integrity.

 

Minimum Requirements

 

• Bachelor’s degree in Information Technology, Computer Science, or related field.

• 7–10 years of experience in network administration or enterprise infrastructure support.

• IAM/IAT Level II certification (e.g., Security+, CCNA Security, or equivalent).

• Hands-on experience managing routers, switches, firewalls, and load balancers in enterprise environments.

• Proficiency in installing, patching, upgrading, and configuring system software and hardware.

• Familiarity with disaster recovery planning, backup/restore protocols, and network security practices.

• Strong scripting and automation experience (e.g., Bash, PowerShell, Python).

• Active DoD Secret Clearance or the ability to obtain one.

 

Preferred Skills

 

• Experience supporting secure federal or DoD IT environments.

• Familiarity with Oracle Exadata, ZFS, and InfiniBand networking components.

• Experience with Oracle Cloud Infrastructure (OCI) or hybrid cloud solutions.

• Deep understanding of DoD compliance frameworks including STIGs and IAVA.

• Exposure to interface management and integration with external systems.

• Experience working in mission-critical, 24/7/365 operational environments.

 

About CSCI

CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: “Do what is right, always.” We apply this philosophy across all elements of our growing business, from delivering world-class services for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren’t diametrically opposed!

At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate’s natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry—those who are ready to move their lives and career forward. Join us today and get excited about Mondays again!

Benefits of Working at CSCI

• Competitive salaries
• Generous Paid Time Off (PTO) package
• Paid holidays aligned to the Federal calendar
• Full health benefits including medical, dental, vision, and life insurance 
• 401(k) retirement plan
• Team building events