Systems Administrator Lead Aberdeen Proving Ground, MD

Job Title:

Systems Administrator Lead

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start:
Secret

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Local

• Administer and support daily operational requirements of computer network systems including workstations, file servers, web servers, and cloud-based infrastructure
• Lead the installation, configuration, and maintenance of hardware, software, and systems upgrades across multiple security domains
• Manage network accounts, network security, and web services for mission-critical systems
• Implement and maintain network security tools including firewalls, anti-virus, and intrusion detection services
• Monitor system configuration and performance to ensure optimal operation and availability
• Provide technical leadership and mentorship to junior systems administrators
• Interface with government customers, cybersecurity teams, and cross-functional technical staff

• Lead the design, implementation, and management of enterprise-level IT infrastructure solutions
• Administer Windows and Linux server environments across multiple security enclaves
• Manage Active Directory, Group Policy, DNS, DHCP, and enterprise identity management systems
• Implement and enforce Security Technical Implementation Guides (STIGs) and secure configuration baselines
• Maintain system security compliance with NIST 800-53, Risk Management Framework (RMF), and DoD security requirements
• Perform system troubleshooting, root cause analysis, and incident response activities
• Develop and maintain system documentation including standard operating procedures, network diagrams, and configuration management databases
• Plan and execute system patching, vulnerability remediation, and system hardening activities
• Manage backup and recovery operations to ensure data integrity and business continuity
• Coordinate with cybersecurity personnel to implement security controls and respond to security events
• Lead infrastructure projects including system migrations, upgrades, and technology refresh initiatives
• Train staff on software applications, systems access, and security best practices
• Automate routine administrative tasks using Power Shell, Bash, Python, or other scripting languages
• Support virtualization platforms such as VMware, Hyper-V, or cloud infrastructure (AWS, Azure)
• Maintain system monitoring and alerting tools to proactively identify and resolve issues

• Active Secret security clearance (required)
• Master's degree in Electrical Engineering, Electronic Engineering, Computer Engineering, Computer Science, or Information Systems
• 10+ years of professional experience in systems administration
• Strong experience administering Windows Server and/or Linux server environments
• Demonstrated experience with Active Directory, Group Policy, and enterprise identity management
• Experience with network security tools including firewalls, intrusion detection systems, and anti-virus solutions
• Knowledge of virtualization technologies (VMware, Hyper-V) and/or cloud platforms (AWS, Azure)
• Understanding of networking concepts including TCP/IP, DNS, DHCP, routing, and switching
• Experience implementing STIGs and security compliance requirements for DoD systems
• Strong troubleshooting and problem-solving skills with ability to resolve complex technical issues
• Excellent communication skills with ability to explain technical concepts to non-technical stakeholders
• Demonstrated ability to lead technical teams and mentor junior staff
• Compliance with Cyber Work Force (CWF) directives, including any required certifications

• Industry certifications such as CompTIA Security+, Network+, Server+, Linux+, MCSA, MCSE, or RHCE
• Experience with DoD Risk Management Framework (RMF) and Authorization to Operate (ATO) processes
• Knowledge of DISA Enterprise Mission Assurance Support Service (eMASS) and Assured Compliance Assessment Solution (ACAS/Nessus)
• Experience with containerization technologies (Docker, Kubernetes)
• Familiarity with Infrastructure as Code (IaC) tools such as Ansible, Terraform, or Puppet
• Experience with scripting and automation using Power Shell,…