System Administrator

Leidos•Norfolk, VA

24d•Onsite

About The Position

We are seeking a highly skilled and mission-oriented Lead System Administrator with at least 3-5 years’ experience to join our enterprise IT operations team located in the Hampton Roads area, VA. In this critical role, you will be responsible for leading a team in provisioning, installing, configuring, operating, and maintaining system hardware, software, and related infrastructure. You will play a key part in ensuring that system hardware, operating systems, software systems, and related procedures adhere to organizational values and rigorous security standards. The ideal candidate possesses exceptional leadership skills along with robust technical expertise in system infrastructure administration combined with a proactive approach to security compliance, automated configuration management, and system monitoring. Working in a collaborative environment, you will sustain infrastructure health, participate in technical research and development to enable continuing innovation, and guarantee the high availability and security of essential defense and enterprise networks. Candidates must demonstrate excellent self-motivation and punctual attendance while working within a highly dynamic environment.

Requirements

Must be a United States Citizen.
Must possess and maintain an active Department of Defense (DoD) Secret security clearance.
Must hold a current DoD 8570.01-M Information Assurance Technical (IAT) Level II certification (e.g., CompTIA Security+ CE, CySA+, CCNA Security, GSEC, or SSCP).
As well as the current AZ-900 and Network+ certifications.
Position is physically located in the Hampton Roads area, VA (on-site or hybrid as required by operational parameters).
Minimum of 3–5 years of progressive experience in system administration, managing enterprise infrastructure, server operating systems (Windows/Linux), or virtualized environments.

Nice To Haves

Possession of CompTIA Network+ and CompTIA Security+ certifications.
Active Microsoft AZ-900 Certified
Strong operational familiarity with DISA STIGs, Risk Management Framework (RMF) processes, automated vulnerability management platforms (such as ACAS/Nessus), and federal compliance frameworks.
Hands-on experience developing automation or configuration-management routines using PowerShell, Ansible, Jenkins, and version control repositories like Bitbucket.

Responsibilities

Administer, monitor, and maintain physical and virtual servers, operating systems, and enterprise storage solutions to ensure baseline operational efficiency and minimum downtime.
Apply Security Technical Implementation Guides (STIGs) to operating systems, applications, and network devices.
Maintain a robust security posture in alignment with the Risk Management Framework (RMF).
Perform regular vulnerability scans, analyze results, and execute timely system patching, remediation, and mitigation strategies against recognized security threats.
Develop, test, and implement automated scripts and workflows using tools like PowerShell, Ansible, and Jenkins to streamline system provisioning, deployment, and configuration baselines.
Manage enterprise-wide backup and recovery procedures, routinely testing data integrity and failover systems to safeguard critical operational workloads.
Provide Tier III system administration support to isolate and resolve complex technical infrastructure issues.
Draft and maintain precise system topology documentation, standard operating procedures (SOPs), and configuration logs.