IT Systems Administrator
System High Corp
Description This position is in support of a proposal effort and is contingent upon contract award. While this is not an immediate opening, we are proactively identifying qualified candidates for anticipated roles expected to begin around August. Candidates selected for this effort will be contacted as the program moves forward. Please note that this position requires an active TS/SCI security clearance with a Full Scope (FS) Polygraph. No exceptions. About System High System High Corporation delivers advanced protection and secrecy solutions to secure and strengthen critical missions, programs, and intelligence activities. We support some of the nation's most sensitive efforts, and our team plays a direct role in protecting what matters most. We are seeking an Information Technology (IT) Systems Administrator to join our team and support mission-critical programs through strong security practices, collaboration, and attention to detail. Position Overview We are seeking an IT Systems Administrator to support the operation, maintenance, and security of enterprise IT systems in a mission-driven environment. This role is responsible for ensuring systems are secure, compliant, and operating efficiently, while also supporting users, troubleshooting issues, and helping implement technical solutions. You'll work closely with internal stakeholders and enterprise IT partners to maintain system integrity and support ongoing cybersecurity and compliance efforts. Key Responsibilities System Administration & IT Support Administer and maintain IT systems, including: Workstations (e.g., laptops) Operating systems Applications and software licenses Provide technical support and troubleshooting for system and user issues Support unclassified IT environments and virtual meeting capabilities Facilitate service desk requests such as: Account access Data transfers System support requests Cybersecurity & Compliance Support and maintain compliance with cybersecurity and information assurance requirements Participate in cybersecurity incident response activities Assist with compliance assessments, audits, and remediation efforts Support ongoing Authority to Operate (ATO) processes and documentation Ensure systems meet required security standards in coordination with enterprise IT and cybersecurity teams Systems Monitoring & Performance Monitor system performance and track key performance indicators (KPIs) Maintain and update IT inventory and asset tracking systems Develop and maintain dashboards and reports to support oversight, compliance, and risk tracking Identify system gaps and recommend improvements Process Improvement & Documentation Develop and maintain standard operating procedures (SOPs) for IT systems and processes Translate user needs into technical requirements and recommend solutions Support development of technical documentation and system configurations Assist with plans of action and milestones (POA&Ms) to address system and security gaps Collaboration & Coordination Work closely with enterprise IT organizations (e.g., CIO teams) to ensure: System compliance Security accreditation Integration with broader IT infrastructure Support continuous improvement of IT services and system capabilities Qualifications Required Qualifications Education & Experience (one of the following): Bachelor's degree in: Information Technology Computer Science Cybersecurity Computer Engineering Information Systems or related field + 3 years of relevant experience, OR High School Diploma + 5 years of relevant experience Experience in: IT systems administration Cybersecurity compliance System troubleshooting and user support Incident response Certification: Security+, CISSP, or equivalent Desired Qualifications Master's degree in a related field Experience supporting IT systems within: Intelligence Community (IC) environments Familiarity with secure and regulated IT environments Clearance Requirement Active TS/SCI with Full Scope Polygraph Additional Information This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities, duties and/or responsibilities that are required for this position that are not listed in this job description. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career. System High values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring themselves to the mission. System High Corporation is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran status, or any other characteristic protected by law. We are proud to be an equal opportunity workplace. If you require a reasonable accommodation to apply for a position with us, please email View email address on click.appcast.io . Legal notices can be viewed on the following PDFs: Know Your Rights: Workplace Discrimination is Illegal ; EPPA Notice ; FMLA Notice Warning: Beware of recruitment scams: System High will never request money or personal purchases during the hiring process. Verify all communications come from a systemhigh.com or msg.paycomonline.com email address. System High Corp
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...maintenance, and configuration of virtualized systems. Deployment of updates, IAVA patches,... ...security accreditation of all project IT systems. This includes writing... ...Amazon Web Services (AWS) (C2S) systems administration. Linux operating systems (e.g. Red Hat,...Contract work- A Government entity is hiring for a LINUX Administrator Responsibilities include: Administration of AWS/Azure and database migration activities... ...and resolves issues and maintain web application hosting systems, reliability and uptime of production applications Support system...
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DescriptionLinux System AdministratorAltamira Technologies has a long and successful history providing innovative solutions throughout... ...: Chantilly, VAThe Role: Altamira requires Linux system administration support for the development, testing, deployment, operation, and...Worldwide- ...career growth. We are seeking a Linux Systems Engineer to support a mission-critical... ...relevant experience Strong Linux systems administration and infrastructure management experience... ...Models), Podcasting Media Services, and IT Services provider. Established in 2015,...
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- MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA. As a Linux Systems Administrator, you will help maintain and enhance the Sponsor's Linux environment alongside a talented team. You will be responsible for...Work at officeLocal area
- ...and technology to support its mission. We are seeking an elite System Administrator to serve as the technical authority for the design,... ...expectations. Requirements Translation: Work closely with the IT Program Manager and Sponsor stakeholders to accurately and efficiently...Contract work
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...Digital Modernization Sector at Leidos has an opening for a System Administrator to support the Intelligence Community in providing technical... ...environment. The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed...Full timeWork at office- ...support of the DOD Counter Unmanned Aerial Systems (CUAS) mission set to addressing the... ...motivated and experienced Cloud Systems Administrator. The ideal candidate will have a strong... ...and policies. Develop and implement IT policies and procedures that ensure compliance...For contractorsRemote workFlexible hoursShift workRotating shift
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Leidos is looking for a Systems Administrator with AWS cloud experience in a Windows environment to perform O&M/A&A/patching duties as well as assist... ...and upgrades.The SE will serve as lead for select IT contractors.The SE will support the activities and future growth...Full timeFor contractorsNight shift$110.12k - $150.66k
...the foundation of mission success. Our team is looking for a Systems Administrator to join us in Chantilly, VA , where you'll be responsible... ...Community, Department of Defense, or other federal government IT environments. Experience with virtualization technologies...Local areaRemote workFlexible hours- ...Job Description Job Description Systems Administrator Department: Govt Customer- Chantilly, VA Location: Chantilly, VA TENICA is looking to hire a Systems Administrator. Must have active TS/SCI with FS poly. Required Technologies/Tools: Demonstrated...
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- ...government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic... ...experience: Demonstrated experience with system administration in Windows & Linux/Centos Server environment. Demonstrated...Local areaImmediate start
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- Linux / Unix Systems Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship... ...environment. Join us to help maintain a reliable and secure IT infrastructure. *** Please note that our job openings are...Temporary workFor contractorsImmediate startFlexible hours
- Linux / UNIX Systems Administrator (PeopleSoft / Oracle) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires... ...us to play a vital role in maintaining and enhancing our IT infrastructure. *** Please note that our job openings are...Temporary workFor contractorsImmediate startFlexible hours
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We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their...Full timeTemporary workFlexible hours
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