External Job Posting Title SITEC3 - Systems Administrator-Security - MacDill

Peraton; Florida; On-site; USD 86,000 - 138,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Life insurance

401(k)

Paid time off

Job summary

Peraton is seeking a Systems Administrator-Security to support SITEC-3 Enterprise Operations and Maintenance at MacDill AFB, Florida. The role requires strong problem-solving skills and experience with DoD cybersecurity practices, STIGs, and accreditation processes.

You will work on securing networks, maintaining critical databases, and supporting end users across deployed locations. The position emphasizes collaboration with system owners, engineers, and government stakeholders to ensure

Qualifications

• DoW8140 compliant background and TS/SCI clearance required.
• Extensive experience with security-focused systems and DoD standards.
• Ability to communicate clearly with stakeholders and teams.

Responsibilities

• Provide tier 1–2 network and systems support for SITEC-3 EOM.
• Maintain O&M for USSOCOM IT infrastructure, including NetOps.
• Develop and maintain security documentation and SOPs.
• Coordinate with system owners and engineers on changes and upgrades.
• Track STIGs and POA&M updates to mitigate vulnerabilities.

Skills

TS/SCI clearance

Clear communication

Team player

Education

HS Diploma

AS/AA degree

BS/BA degree

MS/MA degree

Tools

DoW8140 compliance

DISA STIGs

Change control process

Job description

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Responsibilities

Peraton requires Systems Administrator-Security to support the Special Operation Command Information Technology Enterprise Contract (SITEC) – 3 EOM.This position islocatedat MacDill AFB in Florida.

The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to provide USSOCOM, its Component Commands, its Theater Special Operations Commands (TSOCs), and its deployed forces with Operations and Maintenance (O&M) services to maintain Network Operations (NetOps); maintain systems and network infrastructure; provide end user and common device support; provide configuration, change, license, and asset management; conduct training, and perform Install, Move, Add, Change (IMACs) services. The responsibilities and tasks associated with each requirement play a pivotal role to USSOCOM, the CIO/J6 organization, andultimately theend-user whooperatearound the globe 24x7x365.

Systems Administrators provide various project management, technical, and administrative support for assets employed at approved global locations and support the development of policies and procedures. They mustpossessstrong problem-solving, analytical and communication skills, in addition to in-depth technical knowledge of the Government’s systems’ hardware and software.

Duties include but are not limited to:

• Performs tier one and two network and systems supportin accordance withthe SIE OPORD.

• Provides support to systems hosting complex operational databases, software configuration control, and system interfaces for computer systems.

• Maintains file servers, network access, documents, analyzes and troubleshoots systems anomalies to ensureoptimumequipment performance.

• Monitors and controls one or more mid-range application servers.

• Studies program operating instructions todetermineequipment setup and operations.

• Monitors the operation of assigned applications and storage devices anddeterminesthe point of hardware or software failure.

• Troubleshoots and configures systemsin accordance withstandard procedures to continue operations when individual units of a system malfunction.

• Coordinates with software systems engineering or applications developers as necessary to correct errors.

• Maintains operating records such as machine performance and production reports.

• Installs operating system software, patches, and upgrades.

• Analyzes,troubleshootsand resolves system hardware, software, and networking issues.

• Configures,optimizes, fine-tunes, and monitoring operating system software and hardware.

• Performs system backups and recovery.

• Conducts server builds.

• Completes troubleshooting issues related to infrastructure including VDI components.

• Develops andmaintainsSOPs for the infrastructure including VDI Environment.

• Develop in-depth knowledge of system administration and processes for the diverse systems and networks managed, including monitoring and supporting routine patches, installs, upgrades, and task ordersimpactingcomputersystems.

• Track, review, and ensure the quarterly implementation of Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) systemsbyapplying cybersecurity configuration standards to harden systems, software, and networks, ensuringcomplianceand reducing vulnerabilities across operating systems, browsers, and applications.

• Track, review, and ensure the quarterly implementation of Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) acrosscomputersystems.

• Oversee and update Plan of Action and Milestones (POA&M) across HQ CampuseMASSpackages. Ensure quarterly updates include the latest scan results, STIG implementations, and evidencedemonstratingprogress in mitigating vulnerabilities.

• Maintain comprehensive records of deviations from the USSOCOM Enterprise Baseline for software and hardware configurations within HQ Campus systems.

• Work closely with System Owners and Planners toprovideInformation Assurance guidance for new project initiatives and package renewals. Collaborate on developing, updating, and sustaining critical cybersecurity documentation, such as:

• System Security Plans

• Business Continuity Plans

• Concept of Operations (CONOPs)

• Vulnerability Management Plans

• Ensure that hardware/software artifacts foreMASSpackages are kept current, coordinating withappropriate officesfor re-approval of systems with lapsed statuses.

• Serve on the HQ Campus Change Control Board as a cybersecurity technical expert, aligning with USSOCOM Manual 380-3 and industry best practices to ensure robust security measures are in place for system changes.

Qualifications

Qualifications:

• Min 9 years with HS Diploma, 7 years with AS/AA degree, 5 years with BS/BA or 3 years with MS/MA.

• DoW8140 compliant under the Work Role Code462-Control Systems Security Specialist -Intermediate level or higher.

• A DoW security clearance at the TS/SCI level is required

• Have a demonstrated ability to communicate exceptionally well both orally and in writing, as well as have a positive customer service attitude.

• Strong proactive team player.

Target Salary Range

$86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement

Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed athttps://www.careers.peraton.com/benefits.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.