Systems Administrator

Leidos•Suitland, MD

8d•$92,300 - $166,850•Onsite

About The Position

Leidos is seeking an experienced Systems Administrator with Windows and macOS experience to support the Office of Naval Intelligence (ONI) in Suitland, Maryland. The role provides IT and cybersecurity support for systems used in Scientific and Technical Intelligence (S&TI) analysis, including advanced workstations, graphics systems, laboratory equipment, and specialized technologies supporting engineering analysis, parametric modeling, and foreign material exploitation. System reliability, security, and performance support national security operations. The Systems Administrator troubleshoots and maintains Windows systems and related hardware, software, and network components; supports upgrades and deployments; administers user accounts and policies; and implements security configurations. The role also maintains documentation and configuration records, supports security accreditation and authorization activities, and assists with Risk Management Framework (RMF) and other compliance requirements. This position is onsite during core business hours.

Requirements

Active TS/SCI clearance in DISS and required program access.
Bachelor's degree with 8+ years of experience or a Master's degree with 6+ years of experience; additional training, certifications, or work experience may be considered in lieu of a degree.
Active DoD 8140 IAT Level II certification, such as CompTIA Security+ CE, or ability to obtain it within 30 days of offer acceptance.
5+ years of Windows Systems Administration experience, including Windows 11 upgrades and extensive knowledge of Windows hardware, software, and networking components.
Hands-on experience with Active Directory administration and account creation, SCCM deployments, SQL Server troubleshooting, Group Policy management, and STIG implementation and updates.
Experience with IT infrastructure installation, evaluation, and maintenance, and Microsoft Azure Cloud Administration.
Knowledge and experience with C&A, DIACAP, RMF, ICD-503, and/or NIST Framework requirements.
Experience maintaining technical documentation, preparing weekly reports, and creating and updating SOPs.
Strong troubleshooting, problem-solving, and communication skills, including the ability to coordinate with technical teams to support services and applications.
Ability to work onsite during core business hours.

Nice To Haves

1+ years of experience with Lynex administration.
Current Microsoft Azure certification(s).
Active DoD TS/SCI clearance with polygraph.

Responsibilities

Troubleshoot and resolve technical issues involving Windows systems, hardware, software, and network components within established timelines.
Support Windows 11 upgrades, system maintenance, software updates, and hardware replacements.
Perform Active Directory administration, including account creation and troubleshooting.
Support SCCM deployments, SQL Server troubleshooting, and Group Policy updates.
Implement and maintain Security Technical Implementation Guide (STIG) configurations and updates.
Track and document change requests and trouble tickets using ServiceNow or Remedy AR.
Maintain configuration management records, asset lifecycle documentation, and Standard Operating Procedures (SOPs).
Prepare weekly reports documenting completed work and system activities.
Support desktop system updates, security accreditation activities, and system authorizations.
Assist with Risk Management Framework (RMF) activities and compliance with ODNI, ATLAS, DORA, ORCA, DIA, DoD, DISA, Navy, NIA, and ONI policies.
Collaborate with technical teams to support IT infrastructure, applications, and services.