Systems Administrator Lead Security Clearance

Position: Systems Administrator Lead with Security Clearance
Location: Aberdeen Proving Ground

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 *
*
* The Opportunity:

Lead systems administration efforts for complex Department of Defense IT infrastructure supporting intelligence and mission systems. As a Systems Administrator Lead, you will:
* 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 Responsibilities:
* 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

Qualifications:

Required:

* 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 Desired:
* 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)…