System Administrator Jobs

About The Position

Requirements

• Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience.
• Active SECRET security clearance at time of hire.
• Proven experience with call managers, VoIP systems, and VTC in a classified environment.
• 8570\8140 IAM Level 1, or higher, compliant certification (Security+).

Nice To Haves

• Experience with Risk Management Framework (RMF) and security compliance.
• Excellent problem-solving skills and the ability to work under pressure.
• Strong understanding of network infrastructure and protocols.
• Familiarity with the Risk Management Framework and its application in securing IT systems.
• Strong understanding of RMF and compliance requirements.
• Proficiency in configuring, deploying, and maintaining VoIP infrastructures.
• Experience with Cisco Call Manager and other leading VoIP technologies.
• Solid knowledge of network protocols, firewalls, and security measures.
• Excellent problem-solving skills and attention to detail.
• Strong written and verbal communication skills.
• Ability to work independently and as part of a team in a fast-paced environment.
• Previous experience establishing and maintaining Cisco Call Manager and VTC
• Cisco Certified Network Associate (CCNA) or higher certification.
• Experience with encryption technologies and secure communication protocols.
• Background in cybersecurity practices and principles.
• Previous experience with RMF as Information Systems Security Manager (ISSM) or Information Systems Security Officer (ISSO)
• Experience with tools such as ACAS (Nessus), STIGViewer, SCAP, and Splunk.
• Experience as a Linux System Administrator.
• Experience with NISPOM, DAAG, JSIG, ICD.
• Network+, CCNA, CISSP, RHCSA Certifications.
• Direct and relevant experience with Information Security and Cyber Intelligence working in a Department of Defense (DoD) environment.

Responsibilities

• Design, configure, deploy, and maintain VoIP and VTC systems in a classified environment.
• Implement and manage call manager setups, ensuring reliable VoIP communication across the organization.
• Oversee the integration and configuration of VoIP phones and related peripherals.
• Administer VTC infrastructure, ensuring seamless operation for all conferencing needs.
• Ensure all systems meet RMF requirements, conduct regular audits and compliance checks.
• Coordinate with IT security teams to enforce security protocols and safeguard communication systems.
• Troubleshoot and resolve VoIP and VTC issues promptly to minimize downtime.
• Create and maintain comprehensive documentation of systems, configurations, and processes.
• Provide user training and support for VoIP and VTC systems.
• Stay current with emerging technologies and recommend improvements to existing systems.
• Prepare for and participate in government security assessments and audits.
• Utilize/maintain multiple security databases and sites including SIMS and eMASS.
• Conduct vulnerability and compliance assessments against systems and networks to determine risk posture.
• Review electronic and manual audit logs and investigate any anomalies or security incidents.
• Assist in security investigations and incident response.
• Coordinate with the Information System Security Manager (ISSM) and Facility Security Officer (FSO) on system security compliance.