System Administrator
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Job Location:
St. Petersburg, FL - USA
Monthly Salary:
$ 87100 - 157450
Posted on:
15 hours ago
Vacancies:
1 Vacancy
Job Summary
Leidos Corporate Information Security Office reporting through Digital Modernization sector is seeking a System Administrator to support various classified environments. The successful candidate will be responsible for maintaining securing and supporting complex classified information systems as well as ensuring compliance with security protocols and regulations.
Location: All work will be performed on site at the St Petersburg FL office.
Clearance: Active DoD Secret clearance is required to qualify for consideration. Eligibility to be cleared to Top Secret and Special Access Programs post hire is also required.
Primary Responsibilities
This role includes a combination of duties to protect information and maintain security controls for an entire system site or program to reduce risk.
Ensure programs maintain favorable standings with government regulations and maintain compliance artifacts such as vulnerability scans STIGs SCAP scans and documentation.
Install configure and sustain a mixture of Windows and RedHat-based systems.
Work under guidance of the Sr. ISSE to accomplish time-sensitive projects such as infrastructure buildouts complex software installations customer and sub-contractor coordination and end-user outreach.
Other duties as assigned.
Basic Qualifications
Bachelors degree with 4-8 years of experience Associate degree and 6-10 years of experience; Masters degree and 2-4 years of experience or equivalent relevant industry-standard certifications and experience may be considered in lieu of degree.
Must be a U.S. Citizen with a current Active Secret security clearance to be considered along with sustained ability to be cleared to Special Access Programs and ability to obtain Top Secret security clearance.
Must have a DoD 8570 IAT level II or higher certification such as CompTIA Security.
Experience operating in a Windows-based domain environment to include management of workstations Active Directory and DNS.
Familiarity navigating a Windows-based operating system to include knowledge of: TCP/IP software installations running predefined scripts accessing SMB shares remote system management NTFS permissions and common administration tools.
Basic knowledge of Linux-based distributions and willingness to complete full RHCSA training within a year.
Knowledge of change management procedures roles and responsibilities.
Experience with the Risk Management Framework (RMF) and maintaining compliance artifacts such as SCAP scans STIGs and Nessus Vulnerability reports.
Preferred Qualifications
RedHat Certified System Administrator (RHCSA) certification.
Cisco Certified Network Administrator (CCNA) certification
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
December 18 2025For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $87100.00 - $157450.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Unclear Seniority
Key Skills
- Active Directory
- VMware
- Computer Networking
- Microsoft Windows Server
- Solaris
- Windows
- Linux
- SAN
- Shell Scripting
- System Administration
- Dns
- CentOS
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
