Senior Network Administrator
Peraton · Mississippi, United States · 1 wk ago
HybridInformation TechnologyFull-time
Day to Day Roles and Responsibilities
- Perform day-to-day operational network support, including troubleshooting firewalls and other network components.
- Implement network changes after hours as required, following established change management processes.
- Maintain security compliance, perform assessments, and remediate issues as necessary.
- Monitor network performance and manage network services, including SNMP, NTP, SSH, HTTPS, PKI, and syslog.
- Participate in on-call rotation and respond to network incidents in a timely manner.
- Document all work and maintain accurate records in ticketing and change management systems.
- Collaborate with internal teams to ensure network reliability, availability, and performance.
Basic Qualifications
- Bachelors degree and 5 years of experience or a Masters degree and 3 years of experience or a High School diploma and 9 years of experience.
- Must be a U.S. Citizen with the ability to obtain a DHS (EOD) Public Trust.
- Advanced experience in routing and switching
- Strong knowledge of security compliance assessment and remediation
- Experience with firewall troubleshooting and management
- Knowledge of load balancing and AAA (Authentication, Authorization, Accounting)
- Experience with network management and monitoring services (SNMP, NTP, SSH, HTTPS, PKI, syslog)
- Familiarity with change management processes and ticketing systems
- Experience with Windows and Linux operating systems
- Understanding of virtualization technologies
- Ability to work mostly business hours with some evening work and participate in on-call rotation
- Strong attention to detail and excellent verbal and written communication skills
Preferred Qualifications
- Experience with NX-OS (Cisco Nexus Operating System)
- Experience with Cisco ACI (Application Centric Infrastructure)
- Experience with F5 BIG-IP LTM (Local Traffic Manager)
- Experience with Palo Alto Firewalls, Cisco ASA, and Cisco ISE
- Knowledge of Cisco FXOS (FirePower Extensible Operating System) and UCS (Unified Computing System)
- ITIL certification or knowledge of ITIL practices
- Prior experience in a government IT environment
- Patience and strong collaboration skills