System Administrator
$180k - $238kRealmOne
RealmOne Systems AdministratorRealmOne is the GOAT - where your career can reach the greatest heights!RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.Join us on this journey as we execute this mission-critical contract providing full life cycle software asset management support.Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports a team of Application Engineers, Database Engineers, Information Systems Security Engineers, Network Engineers, Software Engineers, System Administrators, Systems Engineers, Technical Writers, by supporting the full life cycle of IT resources.Job Description:Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.The Level 3 SA shall possess the following capabilities:Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems.Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers.Provides support for the dispatch system and hardware problems and remains involved in the resolution process.Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.Qualifications:Bachelor's degree in a technical discipline from an accredited college or university is required. Four (4) years of additional SA experience may be substituted for a bachelor's degree.Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.Six (6) years of experience with Service Management (ITSM) is required.Certifications Required:Requires DoD 8570 compliance Information Assurance Technical (IAT) Level II certification.ITIL 4 platform certification is required.Position requires active Security Clearance with appropriate PolygraphPay Range: $180,000-$238,000The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.RealmOne Benefits:Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums. Tax-advantaged health savings account available with generous employer contribution. Dental + Vision: 100% employer-paid for employees and family with buy-up option available.Retirement + Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!Paid Time Off + More: 4 weeks starting PTO - 11 federal holidays + 2 floating holidays - Paid hours for company-required training.Career Growth + Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance.MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation + family-friendly corporate events...and much more.About UsRealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30+ active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.
$48.51 - $84.9 per hour
...achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue to push security forward. Parsons’ extensive experience in the...SuggestedFull timeWork experience placementFlexible hours$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$77.6k - $176k
System AdministratorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you... ...the Department of Defense? We’re looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...Senior System AdministratorFor over 40 years, DCCA has provided a broad range of IT services to government agencies and commercial... ...first mentality and a dedication to excellence.The Senior System Administrator will maintain data files and control procedures for a complex...SuggestedFlexible hours
$128k - $214.4k
...System AdministratorUnlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing... ...seeks a motivated, career and customer-oriented System Administrator to join our team in Columbia, Maryland.Responsibilities include...SuggestedHourly payContract workTemporary workWork experience placementLocal areaRemote work- ...Requirements: U.S. Citizenship Roles & Responsibilites Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-...
$77.6k - $176k
...System Administrator, SeniorThe Opportunity:Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a System...Full timeContract workPart timeWork at officeLocal areaRemote work$89.2k - $220.48k
...about what they do, committed to our shared values and dedicated to our customers’ mission.AT&T has an opening for a Senior System Administrator to support operations by maintaining, documenting, and administering enterprise IT systems. This role is the Senior System Administrator...Temporary workWork at officeLocal area- Title:Enterprise Applications Systems AdministratorWe are KBRWhen you become part of our KBR team, your opportunities are endless. Through... ...the RoleKBR is seeking an Enterprise Application Systems Administrator to join the Enterprise Systems team. This role supports the...Full timeTemporary workLocal areaRemote workRelocation packageFlexible hours
$89.2k - $170k
...critical voice, video and collaboration services for the full spectrum of national security operations.AT&T has an opening for a System Administrator to support the day-to-day IT systems for our customized network solution in support of the federal government.The job duties...Temporary workWork experience placementWork at officeLocal areaRelocation- ...Job Description Job Description Job Description POSITION OVERVIEW: System Administrator/System Engineer who is passionate and a creative problem solver who thrives on being customer service oriented. This is a unique opportunity to exercise a great degree...Temporary workLocal areaWeekend work
$10k
...open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Systems Administration: o Level 04 requires a minimum fifteen (15) years of experience o Level 03 requires a minimum twelve (12) years...Contract workTemporary workImmediate start$50k - $80k
...Description Are you looking for the opportunity to utilize your IT Systems and Network experience and be part of a growing and innovative... ...and hardware are functioning at peak performance. System Administrator Job Description: Provides support for implementation,...Work experience placement- ...System Administrator (SA) 3 Are you ready to take ownership of mission-critical IT systems and make a real impact? We're looking for a skilled System Administrator (SA) 3 to join our team in Columbia providing hands-on support for the implementation, troubleshooting...Full timeTemporary workImmediate startRelocation packageFlexible hours
$180k - $240k
...nominated as one of Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a cleared System Administrator to administer, maintain, troubleshoot, automate, and optimize Linux-based systems and infrastructure. This position is ideal...Contract workWork experience placementFlexible hours$75.2k - $158.1k
Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS... ...executing this mission.We are looking for a Linux systems administrator and operational support for mission-critical environments, including...Contract workWork experience placementFlexible hours$98.1k - $174.8k
..., content discovery, and collaboration capabilities on the IC system domains to the IC and its partners in Defense, Homeland Security... ...Affairs, and Law Enforcement.AT&T has an opening for a Linux Administrator to support Public Sector Solutions.Description of Job Duties/...Temporary workWork at officeLocal areaRelocation- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...Flexible hoursWeekend work
- ...Senior Linux Systems AdministratorLOCATION: Columbia, MD (Onsite)JOB STATUS: Full-timeCLEARANCE: Active Top Secret / TS/SCI (Required... ...opportunity for a highly experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux server and workstation...Monday to Friday
$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...Temporary workRemote workFlexible hours$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...Temporary workRemote workFlexible hours$92.3k - $166.85k
...customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting, and maintenance of IT systems and infrastructure. You will manage...Full time- ...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
- ...certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS... ...the TTAC Infrastructure Modernization effort as a System Administrator (SA). The System Administrator is responsible for effective provisioning...Immediate startFlexible hoursWeekend 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- ...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
- 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- ...'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...
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