Senior Infrastructure and Systems Administrator
Peraton
Basic Qualifications: Bachelor’s Degree from an accredited college or university in Computer Science, Computer Engineering, or a related discipline with Six (6) years of experience, or a Master's Degree with four (4) years’ experience, or a Ph.D with two (2) years’ experience. 4 years of additional experience will suffice in lieu of a degree. Experience with Windows and Linux server system administration as well as network engineering. Experience designing, developing, and delivering IT and telecommunications systems and solutions. Ability to work complex projects as a senior contributor within a development team consisting of customer and subcontractor personnel. Active TS SCI security clearance with a current polygraph is required. Preferred Qualifications: Ability to interface with the customer as well as monitor and direct subcontractor tasking. Strong communication skills required to work as part of an integrated team consisting of the customer, subcontractors, and other Peraton personnel. Solid understanding of modern computer network operations and capability development processes Solid understanding of the basic principles of modern computer networking, including hardware, software, associated tools, protocols, and Internet architecture Experience with the management and execution of large-scale software development and sustainment efforts. Experience establishing and maintaining good working relationships in all levels of the organization. Experience with operational mission partners in the DoD. Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan. This position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and Laurel, MD. Primarily location is College Park with the option for 1-2 days a week in Laurel. Responsibilities may include: Implement, maintain, and enhance complex and diverse research infrastructure systems and their appropriate security posture. Perform Linux and Microsoft Windows system administration tasks. Windows and Linux server system administration Integrating GOTS/COTS/open-source solutions Virtualization technologies Networking and TCP/IP protocols Storage technologies Remote access Install, configure, and troubleshoot IT/networking hardware and software in classified and unclassified spaces Prepare and maintain images for Linux and Microsoft Windows operating systems. Configure new systems and apply best practice security configuration on computers, servers, and network equipment. Perform system and anti-virus tool updates regularly Implement physical controls Physically setup, cable, and power computers in classified and unclassified spaces for new programs or new computer additions Activate network ports including patch network when needed. Devise information system backup mechanism for program’s specific requirements Perform system/data backup and archive logs according to security plan Exercise system and data recovery procedures regularly Create custom solutions or provide commercial tool recommendations to automate audit procedures where SCAP Compliant Checker lacks proper functions to support. Examples include: automated log rotation, mechanism to alert audit process failures, or scripts to detect inactive accounts. Support ISSM to perform audit tasks as needed. Develop and execute approved procedures for sanitizing and releasing system components and media Maintain a working knowledge of system functions, security policies, technical security safeguards, and operational security measures Interface with the customer as well as monitor and direct subcontract tasking #J-18808-Ljbffr Peraton
- A national security technology provider is seeking an experienced systems administrator in Maryland. The role involves implementing and managing research infrastructure systems, performing system administration tasks, and supporting customer operations. Candidates should...Senior
- ...years of demonstrated experience in Modern operating systems and network architectures. Must have at least two (... ...bonus plan. Peraton is hiring an Enterprise Infrastructure Support Senior Systems Administrator (SA) to join our Cyber Mission business unit in Jessup...SeniorFull time
- Peraton is seeking an Enterprise Infrastructure Support Senior Systems Administrator to join our Cyber Mission business unit in Jessup, MD. A bachelor's degree in a technical discipline and 10 years of experience as a systems administrator are required. Manage system capacity...SeniorFull time
$100k
...and improving essential government systems and services, with proven operational... ...of authorization to proceed. The Senior Systems Administrator supports IT operations by designing,... ...solutions. This role focuses on scalable infrastructure architecture, enterprise...SeniorContract workRemote work$115k - $175k
...Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This... ...and maintenance of IT systems. Manages IT system infrastructure and any processes related to these systems. Provides...SeniorHourly payContract workWork experience placement$190k - $210k
...Maryland Type: Contract Job #3710 Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range... ...and support of Broadcom VMware virtualized systems and infrastructure PowerCLI Broadcom VMware Aria Suite, formerly called...SeniorContract workLocal area$107k - $143k
...Senior System Administrator Job Locations US-TN-Arnold AFB Requisition Number 2026-24029 Category Information... .../ Network Systems Function/Branch: Engineering/Infrastructure Directorate: Engineering & Tech Support Position...SeniorFull timePart timeH1bLocal area$190k - $240k
...Overview Senior System Administrator to join one of our Prime Contracts supporting the Government's Corporate Management Services (CMS) organization... ...versions) and Linux server environments in a hybrid infrastructure. Provide troubleshooting, maintenance, and operational...SeniorFlexible hours$96.2k - $192.3k
Accenture Federal Services in Annapolis Junction, MD is looking for an experienced Systems Administrator. The ideal candidate will provide support for IT systems, manage infrastructure, and troubleshoot issues. A minimum of ten years of experience in similar roles as well...Senior- IntelliGenesis LLC is seeking a highly experienced System Administrator in the United States Maryland area. The role requires a TS/SCI clearance... ...hardware, UNIX/Windows administration, and network infrastructure while coordinating with agency management and users to resolve...Senior
- ...looking for an experienced IT Support Specialist to provide comprehensive support for IT systems. The role includes troubleshooting, maintenance, and management of system infrastructure while ensuring compliance with security protocols. You will be responsible for Tier 1...Senior
- ARSIEM Corporation in Annapolis Junction, MD is seeking a System Administrator 2 to support a government client. The role involves hands-... ...systems, incident handling, and Tier 1/2 support across IT infrastructure. Ideal candidates will have Linux, MongoDB, AWS,...Senior
$115k - $175k
Envision Innovative Solutions is looking for a motivated Senior Systems Administrator at Annapolis Junction, Maryland. This role involves managing IT infrastructure, troubleshooting systems, and ensuring the integrity of both UNIX and Windows operating systems. The ideal...Senior- Power3 is looking for a System Administrator III in Annapolis Junction, MD. The candidate will provide support for implementation, troubleshooting... ..., and maintenance of IT systems while managing system infrastructure. Responsibilities include Tier 1 and Tier 2 problem...Senior
- Innovative Systems & Solutions | Full time - Onsite Senior System Administrator - FFPP-8804 Annapolis Junction, United States | Posted on 03/17/2026 Innovative... ...This role is responsible for managing system infrastructure and ensuring reliable day-to-day operations across...SeniorFull timeTemporary workLocal areaImmediate start
$190k - $210k
Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 - $210K Clearance: Active TS/SCI w/ Polygraph... ...Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support...Senior$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining the organization’s core IT infrastructure. This role provides Tier 3 support for complex incidents, leads infrastructure projects...SeniorPermanent employmentContract workWork experience placementLocal area- Location: Annapolis Junction, Maryland Category: Systems Administrator Level: Mid-Senior Travel Required: No Remote Type: No Clearance: TS/SCI... ...as part of the Service Oriented Architecture (SOA). Infrastructure experience installing, configuring, maintaining, troubleshooting...SeniorContract workTemporary workImmediate startRemote work
$128k - $214.4k
...MANTECH! MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in...SeniorHourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work- Fuse Engineering LLC is seeking an experienced Systems Administrator located in Maryland. The candidate will provide critical support for IT systems, manage IT infrastructure, and ensure compliance with security protocols. The ideal applicant will possess a Top Secret/SCI...Senior
$170k - $175k
A management and technology consulting firm is seeking a Senior System Administrator to support IT system infrastructure in Annapolis Junction, Maryland. The ideal candidate will have at least 10 years of experience and an active TS/SCI clearance. Responsibilities include...Senior- General Dynamics Information Technology is hiring a Systems Administrator to enhance its High-Performance Computing infrastructure. Candidates should have 15+ years of experience and must possess a Security+ certification. You will manage complex systems and networks while...Senior
- General Dynamics Information Technology is seeking a Systems Administrator to manage and support IT system infrastructure. The role requires significant experience and the ability to troubleshoot and maintain various IT systems while collaborating within a dynamic professional...Senior
$135k - $216k
Peraton, located in Maryland, is hiring a PMO Senior Systems Administrator to support mission-critical IT systems. This role involves management of IT infrastructure and troubleshooting for various systems within the Cyber Mission business unit. The ideal candidate will...Senior- Fuse Engineering in Maryland is seeking a System Administrator responsible for maintaining the customer’s High Performance Computing (HPC) infrastructure, ensuring optimal network management and systems administration. The ideal candidate will possess expertise in Linux...Senior
$120.5k - $221.8k
Accenture Federal Services is looking for a System Administrator L3 in Maryland to support IT system infrastructure and processes. The ideal candidate will have 15 years of experience in system administration and a degree in a technical discipline. Responsibilities include...Senior- RPMGlobal is seeking a skilled system/network administrator to provide comprehensive support for IT systems in Annapolis, Maryland. The candidate will manage IT system infrastructure, perform troubleshooting, and ensure smooth operations across various devices. The ideal...Senior
- ...Oefentherapie is seeking a visionary technical leader to oversee the architecture and delivery of cloud services at Oracle Cloud Infrastructure. This role requires over 10 years of experience in delivering large-scale cloud services, mentoring engineers, and ensuring...Senior
- Base-2 Solutions is seeking a system/network administrator to support IT systems at Annapolis Junction, MD. Ideal candidates should have 15 years... ...clearance. This role involves troubleshooting, managing infrastructure, providing Tier 1 and Tier 2 support, and configuring...SeniorFlexible hours
$210k - $260k
DevOps System Administrator III — Senior Annapolis Junction, MD We’re looking for a passionate DevOps Engineer / Cloud Platform Engineer to join our team and help drive the evolution of a modern infrastructure. This role is ideal for someone who thrives on automation,...SeniorContract workFlexible hoursNight shift
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