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Hours Full-time
Location Annapolis Junction, Maryland

About this job

Job Description

Job Description

Peterson Technologies has been the premier resource for mission-critical solutions through detailed analysis, strategic insight, extensive operational experience, and technical expertise. Today, we provide leading-edge data, network security software, and expert guidance to reduce exposure to information theft and augment protections for our customers systems.  If you are looking to join a company that provides amazing benefits, a healthy work-life balance, competitive salaries, and talented subject matter experts, consider joining our team!

Peterson is seeking a talented Senior Systems Administrator.

Seeking an SA to provide support for the design, planning, implementation, troubleshooting and maintenance of Information Technology (IT) systems.
•    Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network device, etc.
•    Provide Tier 2 problem identification, diagnosis and resolution of problems
•    Provide support for the escalation and communication of status to the customers management team and internal customers
•    Configures and manages Linux operating systems and installs/loads
•    Configures, manages, maintains and troubleshoots virtualization infrastructure
•    Create scripts for the management of system configurations, systems processes
•    Work with appropriate entities on the creation and sustainment of dataflows using COTS and GOTS solutions
•    Work with the System Owner, ISSO and DAO on the creation, modification and reaccreditation of applicable System Security Plans and accompanying documentation

Requirements:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.

Bachelor’s degree in a technical discipline from an accredited college or university is required and 10 years of experience. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.

Required skills:  Linux, Ansible
Desired skills: AWS, scripting, devops

Peterson Technologies provides for an excellent benefit package to include generous PTO, healthcare, STD, LTD, Life Insurance, 401k contribution and Tuition and Training reimbursement.  

Salary range = $140,000 - $185,000, depending on experience.

Peterson Technologies will provide reasonable accommodations to applicants who are unable to utilize our online application system due to a disability. 

Please send your request to HR at jobs@ptech-llc.com or call.

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Posting ID: 1252565240 Posted: 2026-06-26 Job Title: Senior Administrator