Systems Administrator
OmegaCor Technologies
Job Description
Job Description
Mission and Purpose:At OmegaCor, our purpose is to empower our clients, staff, and community to achieve excellence. A key element of fulfilling this mission is providing high-value IT consulting services that align technology with business objectives. Position Summary:We are looking for a mid-to-senior level System Administrator to support a secure, hybrid Microsoft 365 and Windows Server environment within a federal agency. This position requires expertise in identity and access management, endpoint and policy management, and support of day-to-day server and infrastructure operations. Emphasis will be placed on M365 tenant administration, Azure Active Directory, Teams Voice, and effective use of ticketing systems and change control processes. CLEARANCE REQUIREMENT: GOVERNMENT CONTRACT - MUST BE ABLE TO OBTAIN PUBLIC TRUST CLEARANCEKey Responsibilities:Install, configure, and maintain operating systems, servers, and related software.Administer the Microsoft 365 tenant (Exchange Online, SharePoint, Teams, OneDrive), including licensing and security configuration.Support Microsoft Teams Voice, including call plan configuration and Teams Phone System management.Manage user identities and group policies via Windows Server Active Directory and Microsoft Entra ID (Azure AD).Support file and print services, domain administration, DHCP/DNS services, and GPO/Intune.Manage Microsoft Intune for device compliance, app deployment, and endpoint protection.Perform server and workstation maintenance tasks (patching, performance tuning, hardware upgrades) across physical and virtual systems.Utilize ticketing systems for incident, change, and service request management.Follow agency-approved change management procedures and ensure detailed documentation is maintained.Perform backup/restore operations and DR testing using enterprise backup tools.Collaborate with cloud and network teams on shared infrastructure responsibilities.Provide technical training and support to end users.Preferred Skills and Tools:Deep knowledge of Windows, Linux, and/or macOS systems, including installation, configuration, maintenance, and troubleshooting. Understanding of LAN, WAN, firewalls, routers, switches, and network security protocols.Ability to identify, diagnose, and resolve complex technical issues.Experience with Azure virtualization platforms for creating and managing virtual machines.Microsoft 365 tenant and license managementAzure AD Connect, Conditional Access, and MFA enforcementMicrosoft Intune and Autopilot deploymentKnowledge of system security practices, intrusion detection systems, and data backup/recovery.Knowledge of Microsoft Purview Records ManagementMinimum Qualifications:5+ years of experience in a system administration role in a mid-to-large enterprise or government environmentU.S. Citizenship required by government agencyDemonstrated experience with Microsoft 365, Windows Server AD, and virtualization platformsPreferred Certifications: Microsoft Certified: Azure Administrator, M365 Enterprise Admin Expert, VMware VCP The above is intended to describe the general content of and requirements for the performance of this job. It is not to be construed as an exhaustive statement of duties, responsibilities, or physical requirements. Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time. Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions.OmegaCor Technologies is an equal-opportunity employer. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, or disability. Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.Disclaimer: Background Check and Drug ScreeningAs part of our commitment to providing a safe and secure work environment, OmegaCor Technologies conducts background checks on all prospective employees.Background Check: Candidates who receive a conditional offer of employment will be subject to a comprehensive background check. This check may include, but is not limited to, verification of employment history, education, criminal records, and other relevant information.Please be advised that the results of the background check are used to make informed hiring decisions. Any offers of employment are contingent upon the successful completion of the background check.By applying for this position, you acknowledge and consent to the background check process. Thank you for your understanding and cooperation.OmegaCor Technologies is an Equal Opportunity Employer.
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- ...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...SuggestedFlexible hoursWeekend work
$80k - $128k
ResponsibilitiesPeraton is currently seeking a Mid-level SQL Database / Systems Administrator for our Federal Strategic Cyber programs to manage and optimize our database infrastructure.Location: On-site, Washington DCIn this role, you: Need to have strong expertise in...SuggestedContract workShift work$130k - $180k
Celestar, a B&A Company, is seeking a Database/Web System Administrator to support the Defense Advanced Research Projects Agency (DARPA) Program Security Services (PSS) task order. If interested and meet the qualifications, we encourage you to apply for this rewarding...SuggestedContract workLocal area$92.3k - $166.85k
Title: Systems Administrator/EngineerLocation: Washington, DC Navy YardClearance: Top SecretLeidos is looking for a strong systems administrator to become part of our team at the Washington Navy Yard location.This Top Secret cleared Systems Administrator/Engineerwill work...SuggestedFull time$104.2k - $138.9k
...a hybrid role working on-site 3 days/week in Arlington VA area. Candidates must have a current TS/SCI clearance.The Senior System Administrator leads the administration, maintenance, security, and operational resilience of complex enterprise infrastructure supporting...Remote work3 days per week$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...Full timeContract workPart timeWork at officeLocal areaRemote work$73.45k - $132.78k
Leidos has a new and exciting opportunity for a Systems Administrator in our INTEL SECTOR- 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- ...coordinates the implementation of the approved course of action.- Coordinates and monitors troubleshooting to isolate and diagnose common system problems; documents system events to ensure continuous functioning. Recommends course of action and implements as approved.-...Work experience placement
$110k - $140k
Hybrid in Washington, DCSalary - $110,000 - 140,000We are seeking a skilled and dependable Systems Administrator to join our team at the mid to senior level. This role carries direct responsibility for managing and maintaining enterprise Windows and Linux server infrastructure...$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$62k - $141k
Tier 2 System AdministratorThe Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? Your blend of...Full timeContract workPart timeWork at officeLocal areaRemote work$125k - $169k
Responsibilities Technica is seeking a COTS Systems Administrator. The Senior System Administrator (SysAdm) will support the implementation of a COTS physical access system. The Senior SysAdm will partner with the government Product Manager in providing technical direction...Work experience placementRemote work- ...be responsible for maintaining compliance, securing operating systems, and executing patch management across Windows and Linux... ...Develop scripts using PowerShell, Perl, VBScript, or similar administrative languages.Collaborate with customers and technical teams to define...Full time
- ...capabilities in AI/ML & Decision Analytics, Modeling and Simulation, and Future Force Assessments.SPA has a need for Systems & Infrastructure Administrators to operate, maintain, and improve the environments that host APACS and Foreign Clearance Program‑related...Flexible hours
$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...Full timeLocal area- Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the servers.Has expertise in Red Hat... ...TrustExperience Required: 10 years’ experience in Systems Administration for software development projects utilizing Agile principlesEducation...
- ...Fort Meade, MDClearance Required: Top Secret/SCI with Active Full Scope PolygraphWe are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the Intelligence Community at Fort Meade, MD. This is an on-site...Temporary work
- Universal Technical Resource Services, Inc. (UTRS) is currently seeking a System Administrator to join our team! At UTRS, we enjoy the benefits of working in a collaborative environment of close-knit team members. As a company, we provide a wide range of leading-edge engineering...Casual workWork at officeRemote work
$62k - $141k
System Administrator, MidThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client?As a System Administrator...Full timeContract workPart timeWork at officeLocal areaRemote work$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- ...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
- ...clearance with a Full Scope (FS) Polygraph. No exceptions. About System High System High Corporation delivers advanced protection... .... We are seeking an Information Technology (IT) Systems Administrator to join our team and support mission-critical programs through...Contract workImmediate start
$75k - $100k
...Overview Edgewater Federal Solutions is currently seeking a detail-oriented IT System Administrator with Cyber Security experience to support our federal customer in the Washington DC area. The candidate will work with the government customer to support the review...Contract workWork experience placementWork at officeLocal area1 day per week$27.64 - $56.83 per hour
Job Description Conducts end-to-end hardware installation and troubleshooting with limited supervision. Validates cabling, and problem solving to establish error free connections with limited guidance. Monitors, reviews, and analyzes ticket queues addressing common ...Hourly payTemporary workFlexible hours$107.9k - $179.4k
...Linux Systems Administrator (Cameo Administrator)Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering...Hourly payContract workTemporary workWork experience placementLocal areaRemote work- ...applicants must currently reside in the United States Overview BigBear.ai is seeking a BigBear.ai is seeking a Senior Systems Administrator to support the Defense Intelligence Agency (DIA). You will be joining our amazing BigBear.ai team for immediate systems...Full timeTemporary workImmediate start
$78.6k - $160.2k
...more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This...Live inWork at officeLocal area- ...System Administrator Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to...Full timeWork at officeFlexible hoursDay shiftAfternoon shift
- ...System Administrator – Information Management Specialist Totally Joined For Achieving Collaborative Techniques (TJFACT) is a minority owned, CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) performance driven professional services government contracting...Temporary workWork at officeLocal areaRemote work
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