Systems Administrator
$135k - $216kPeraton Corporation
ResponsibilitiesPeraton is seeking a Systems Administrator in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. This position offers a unique opportunity to work at the forefront of cyber investigations, digital forensics, cyber threat analysis, and mission support in a dynamic and collaborative environment. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Individuals who are passionate about cybersecurity, committed to excellence, and eager to make a meaningful impact are encouraged to apply.Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs systems security administration functions, including creating user profiles and accounts. Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space. Interacts with users and evaluates vendor products. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. Develops and monitors policies and standards for allocation related to the use of computing resources. Ability to implement, maintain, and manage physical and virtual systems and upgrades. May assign responsibilities for less experienced staff. Manage and maintain hardware and back-end software to support end users. Support multiple centralized anti-virus and patch management systems. All other duties as assigned.Location: Fully onsite requirement in the Baltimore metropolitan areaQualificationsRequired Experience:Experience building and deploying physical and virtual servers.Active Directory Domain and Forest Design, Implementation, and Management.Strong familiarity with Group Policy Objects (GPOs).User and group management.PowerShell Scripting and Windows domain services.DoD security hardening (STIG/SCAP).DNS configuration and troubleshooting.Familiarity with Network Security Principles (Firewalls, Intrusion Detection/Prevention).A strong understanding of VMWare with the ability to install, configure, manage, and troubleshoot.A strong understanding of Omnissa Horizon with the ability to configure, deploy and troubleshoot.Familiarity with Storage Area Networks (SANs), Network Attached Storage (NAS), RAID configurations and file system management.Familiarity with backup technologies.Familiarity with ACAS, Splunk, and SolarWinds.Required Qualifications:Education: Bachelor’s degree and 8+ years of experience; OR Master’s Degree and 6+ years of experience; OR 3 years with PhD. A degree in one of the following fields is highly desired: Information Technology, Computer Science, Software Engineering, Data Science, Information Systems, or Cybersecurity. However, four (4) years of additional relevant experience or specialized training may be considered in lieu of a Bachelor’s degree.Certifications: Active CompTIA Security+ certification.Clearance: Active TS clearance, SCI eligible.Desired Certifications:CASP+CCNP SecurityCCSPFITSP-OGFACTDesired Qualifications:Master’s degree in one of the following fields: Information Technology, Computer Science, Software Engineering, Data Science, Information Systems, or Cybersecurity.CI/CD automation (Ansible/Teraform).Cloud services (Azure/AWS)Disaster recovery planning and executionGitlabTrellixPeraton OverviewPeraton 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.Target Salary Range$135,000 - $216,000. 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.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-167920Position Category: Information TechnologyClearance: Top Secret/SCI
$78k - $250k
...troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to... ...to improve reliability and performance. The Level 3 System Administrator (SA) shall possess the following capabilities: Provide support...SuggestedTemporary workRemote workFlexible hours$103.8k - $218.1k
Job Title: Senior System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start:... ...identity solutions used across the IC.Responsibilities:As a System Administrator, you will:Build, configure, and deploy Docker containers...SuggestedContract workFor contractorsWork experience placementFlexible hours$150k
...AN ACTIVETS/SCI WITH POLYGRAPH SECURITY CLEARANCE WITH THE FEDERAL GOVERNMENT. (U.S. CITIZENSHIP REQUIRED).We are seeking a System Administrator who has experience working all phases of the system engineering lifecycle from concept to sustainment. This includes the ability...SuggestedTemporary workRemote workFlexible hours$117.2k - $206.77k
...MartinDescription:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s... ....THE WORKIn this role you will:• Serve as the senior system administrator with extensive experience supporting Windows‑based desktops,...SuggestedFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours$78k - $250k
...initial Help Desk inquiries (Tier 1) and escalated, complex problems (Tier 2). Configuring and managing both UNIX and Windows operating systems, and implementing enhancements to improve system reliability and performance. Experience with AWS (would be nice), intermediate...SuggestedTemporary workRemote workFlexible hours$72.1k - $108.1k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...today.We are looking for you to join our team as a Cyber Systems Administrator/Principal Cyber Systems Administrator based out of Elkridge,...Full timeRemote workRelocation packageShift work- ...Officer Manages None Summary/Objective The Information Technology Administrator (“IT Admin”) manages the IT needs of the company while working... ...software, hardware, licenses, phones and tablets, phone system, and printers. Manages IT service providers contracted with Synergi...Full timeFor subcontractorWork at officeMonday to Friday
- ...Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting... ...___________________________________________________The System Administrator supports the implementation, maintenance, and troubleshooting...Local areaRelocation package
$78k - $250k
...SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Hands-on experience operating and administering various Linux operating systems (e.g., RHEL9, Talos). Responsibilities Experience with building host image templates using automation tools (e.g., Terraform,...Temporary workRemote workFlexible hours- ...Synergi LLC is seeking an IT Administrator to manage the company’s IT needs and coordinate with external service providers. This role will be the single point of contact for all IT-related responsibilities across the organization. Responsibilities include maintaining infrastructure...
$78k - $250k
...SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Hands-on experience operating and administering various Linux operating systems (e.g., RHEL9, Talos). Responsibilities Experience with building host image templates using automation tools (e.g., Terraform,...Temporary workRemote workFlexible hours$78k - $250k
...troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related... ...to improve reliability and performance. The Level 3 System Administrator (SA) shall possess the following capabilities: Provide...Temporary workRemote workFlexible hours$98.9k - $148.3k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Principal / Sr Principal Computer Systems Analyst (Linux Systems Administrator level 3 or 4) to support information system lifecycle...Full timeRemote workRelocationFlexible hoursShift workWeekend work$150k - $160k
...virtual machines running in a cloud infrastructure (Amazon AWS). Evaluates systems for IAVA compliance and applies necessary security updates/patches. Performs command line system administration tasks on virtual machines. Handles regular system backups and...$100k - $120k
...System Administrator Level 2 IT / Infrastructure | Hanover, MD | Full Time Position: System Administrator Level 2 Location: Hanover, MD Category: IT / Systems Administration Schedule: Standard Day Shift, Monday–Friday Clearance Requirement: Active TS/SCI with Polygraph...Full timeTemporary workMonday to FridayFlexible hoursDay shift$140k - $170k
...significant impact by supporting critical national security infrastructure? T-Rex Solutions is looking for a fully cleared System Administrator 2 to join our dynamic team in Annapolis Junction in support of the Intelligence Community. Provides support for implementation...Full timeWork experience placementImmediate start$81.6k - $143.87k
...Martin’s competitive and comprehensive benefits package.We support our employees, so they can support our mission.The Work:As a Systems Administrator you will:Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours$80k - $100k
...Salary Range: $80,000.00 to $100,000.00 Annually We are seeking a Linux administrator responsible for the administration and operational support of enterprise Linux infrastructure with an emphasis on systems performance, application hosting, and automation. This position...Full time$120k - $140k
...fully vested upon hire)Career growth and promotional opportunitiesTuition ReimbursementJOB SUMMARYWe are seeking a NetSuite System Administrator to oversee and optimize our critical ERP System and its integration with other SaaS applications. In this role, you will manage...Full timeWork at office- System Administrator 3Required Skills: Fifteen (15) years system administration experience in programs and contracts of similar scope, type, and complexity within the Federal Government is required. Bachelor's degree in a technical discipline from an accredited college...Remote work
$146k - $234k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure... ...and remediate vulnerabilities in response to IAVAs, ensuring systems remain compliant with security baselines and STIGs.Use CLI and...Contract workRemote workShift work$87.1k - $157.45k
Leidos has a new and exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours- ...CYBERCORE TECHNOLOGIES TEAM.We are GROWING! Bring your Technical Capabilities, Enthusiasm, and Team Focus.Opportunities for System Administrators (Virtualization) - Active TS/SCI Poly.Responsibilities:Provide training/assistance to local technicians on course deployment...Local area
- ...Secret SCI with Fullscope Polygraph clearance to be considered.*ProSync is actively seeking a highly skilled and motivated System Administrator II (SA) who Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages...Contract workFlexible hours
- ...'s mission to "Define and Redefine the State of Possible,” please apply today!We are seeking a highly skilled and motivated System Administrator (SA) who possesses extensive experience in supporting Linux-based systems, along with a solid foundation in Windows environments...Contract workFlexible hours
- JOIN THE CYBERCORE TECHNOLOGIES TEAM.We are GROWING! Bring your Technical Capabilities, Enthusiasm, and Team Focus.System Administrator - TS/SCI Poly in Annapolis Junction, MDRequired Candidate Qualifications:Active TS/SCI Poly8 years demonstrated systems administration...
$110k - $130k
...readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams... ....Position OverviewThe Network Operations (NetOps) System Administrator is a critical member of the team responsible for providing top...Full timeContract workTemporary workWork experience placementWorldwideShift workWeekend workWeekday work$100k - $165k
...quo. For over 20 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity... ...Solutions, Inc. is seeking a TS/SCI Polygraph cleared System Administrator to join our team in Fort Meade, MD.RequirementsAWS cloud resources...Temporary workLocal area$176k - $282k
ResponsibilitiesThe Systems Engineer -Splunk Administrator will support a critical mission of consequence within our Cyber Mission Business Unit in Annapolis Junction, MD. This work is performed at a contractor facility.The candidate's primary responsibilities will include...Contract workFor contractorsShift work$104k - $166k
ResponsibilitiesOverview:Peraton is seeking a Linux Automation Administrator in our Linthicum, MD office in support of our Department of... ...needed to support meetings, deployments, and team activities.The system administration team is expected to have on-site coverage 0600-...Contract workWork at officeMonday to FridayShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!

