Systems Administrator III

Markon•Fort Meade, MD

9h•$170,000 - $200,000

About The Position

Markon’s partner company is seeking an experienced Systems Administrator III to manage and support enterprise computer systems and network infrastructure in a secure, mission-driven environment for the Fort Meade Customer. This role requires strong technical troubleshooting skills, security compliance experience, and the ability to support evolving enterprise architectures.

Requirements

Bachelor’s degree and 8+ years of relevant experience OR Master’s degree and 6+ years of relevant experience OR Associate’s degree and 10+ years of relevant experience OR High School diploma/GED and 12+ years of relevant experience
Degree must be in Computer Science, Systems Engineering, Information Technology, or a related field
Experience with Windows Systems Administration in secure enterprise environments
Experience installing, configuring, and maintaining secure server infrastructure
Familiarity with NIST RMF, STIGs, IAVAs, and vulnerability management processes
Ability to obtain an IAT-I certification (e.g., Security+ CE)
Active TS/SCI with Polygraph

Nice To Haves

Experience with Linux Systems Administration
Experience deploying and maintaining nginx
Familiarity with Docker and RedHat Satellite
Experience working in cloud environments such as AWS
Experience with Infrastructure as Code (IaC) tools such as Terraform, SALT, or Ansible
Experience with system monitoring platforms such as Prometheus and Grafana
Experience with SELinux and FIPS

Responsibilities

Manage and maintain enterprise computer systems and network infrastructure
Analyze technical issues and develop/implement corrective actions
Monitor and interpret system and network status indicators to ensure operational health
Translate user requests into technical diagnoses and deliver effective solutions
Develop migration strategies to transition users to new architectures or technologies with minimal operational impact
Evaluate and recommend new technologies or equipment for integration into Agency standard solutions
Maintain system security posture by addressing STIGs and IAVAs in alignment with NIST RMF requirements
Install, configure, and maintain Windows bare metal servers and virtual machines
Ensure secure infrastructure operations, including vulnerability remediation, data protection, compliance, backup, and recovery
Maintain and update required security documentation and processes, including: System Security Plans (SSPs) STE/STN requirements via RMF Netseer and SEAR logging Patch management and IAVMs McAfee and UAM