SYSTEM ADMINISTRATOR 3
Navstar
Application Administrator
The Application Administrator maintains applicable privileges as a Microsoft Active Directory (AD)/Domain Controller (DC) to manage users and oversee Identity and Access Management (IDAM) services. This role is responsible for the ongoing sustainment, patching, and incident response for applications within an Azure Cloud Service Management (CSM) environment to ensure operational compliance and security.
Responsibilities:
- Maintain administrative privileges for Microsoft Active Directory (AD) and Domain Controllers (DC) to manage user accounts, organize the network, oversee Identity and Access Management (IDAM) services, and execute Assured Compliance Assessment Solution (ACAS) scans.
- Provide continuous oversight of Mission Owner (MO) governance and compliance within the cloud by monitoring Splunk reports.
- Coordinate with the customer and Mission Owners to fulfill requirements for tracking, alerting, troubleshooting, and reporting Internet Protocol (IP) addresses via the SolarWinds IP Address Manager (IPAM).
- Assist in the management of the Online Certificate Status Protocol (OCSP) to authenticate credentials with Defense Information Systems Agency (DISA) servers.
- Manage the functional requirements, processes, and workflows.
- Administer Secure Cloud Computing Architecture (SCCA) services, including Microsoft Defender for Cloud, Microsoft Defender XDR (Extended Detection and Response), Microsoft Defender for Endpoints (MDE), Microsoft Defender for Identity (MDI), the Enterprise Security System (ESS), and Tenable ACAS scans.
- Deliver Application Incident Response including:
- Routine Maintenance/Scanning: Ongoing sustainment during Pacific Standard Time (PST) business hours.
- Patching/Break-fixes: Resolving non-critical disruptions during PST business hours.
- Emergency Maintenance: Mitigating active threats during PST business hours.
Qualifications:
- Bachelor's degree in Computer Science or a related field.
- 2–4 years of cloud engineering experience, including coding, debugging, and application configuration.
- Proficiency in Microsoft Active Directory and IDAM services.
- Experience with Continuous Integration/Continuous Deployment (CI/CD) and Developer Security Operations (DevSecOps) toolchains.
- U.S. Citizenship with the ability to obtain a Department of Defense (DoD) Top Secret clearance and Security+ certification.
Preferred:
- Active DoD Top Secret clearance
- Cloud certification (e.g. Microsoft Certified: Azure Associate)
- Experience implementing DISA (Defense Information Sysmtems Agency) STIG (Security Technical Implementation Guide) configurations.
- Support compliance DoD SRG (Security Requirements Guide) and NIST (National Institute of Standards and Technology) SP 800-53 (Special Publication 800-53) security controls.
Location: Ventura, CA or Remote
$1,500 - $3,000 per month
...flexibility. Tulzi offers secure network systems and software engineering solutions in both... ...: TS/SCI with poly Title: System Administrator III Location: Annapolis Junction, MD... ...System Administrator (SA) Skill Level 3 Description Provides support...SuggestedHourly payTemporary workLocal area$99.6k - $166.01k
...IT Systems Administrator 3 At ULA, success comes through the efforts of a strong, united team. Thanks for your interest in United Launch Alliance, the world's most experienced and reliable space launch company! Successfully launching more than 155 consecutive missions...SuggestedWork experience placement$32.84 - $67.88 per hour
...integration with upstream and downstream systems Technical Support and Trouble Shooting... ...infrastructure, data center services, or server administration. Preferred Job Qualifications... ...term disability and long term disability 3. Life insurance and AD&D 4. Supplemental...SuggestedHourly payTemporary workLocal areaFlexible hoursShift work- ...The Virginia Office of the Attorney General (OAG) seeks 2 Systems Administrators to support a secure, stable, and high-performing hybrid IT environment... ...respond to alerts and operational issues Provide Tier 2/3 support for infrastructure incidents Participate in...SuggestedFor contractorsWork at officeLocal area
- ...Systems Administrator 3 Duration: 6-12 months Location: Denison, TX Remote Work: None Primary Skills: Systems Analysis Notes: Required Skills Job Description The Factory IT Support Analyst Role provides a unique opportunity to support a multitude...SuggestedWork at officeRemote workShift workWeekend workAfternoon shift
- ...Tier 3 Level Systems Administration Support Services Concept Plus is seeking a Tier 3 Level Systems Administration Support Services role to analyze, validate, implement, maintain, and configure current services and tools to minimize negative impacts to performance...For contractorsLocal area
- ...Senior Systems Engineer SAP SuccessFactors is seeking a Senior Systems Engineer, for that... ...project teams. Provide level 3 Linux and Windows systems/storage/network... ...and applications Strong engineering and administration experience with Cisco networking, Linux and...Work experience placementRemote workWeekend work
- ...Systems Administrator 3 The Data Science Institute (DSI) Tech staff is responsible for the design, operation, and security of all computing infrastructure within the Data Science Institute, including research computing systems, workstations, servers, storage, networking...Work experience placementRemote work
- ...Systems Administrator 3 Location: Seat Lanta, GA Installs, monitors, maintains, and secures information technology systems and software in a cloud and on-premises environment. Serves as advanced level subject matter expert, providing guidance and support to IT staff...Local areaNight shift
- ...maintenance of information Technology (IT) systems. Manages IT system... ...Provides Tier 1 (Help Desk) and Tier 2 and Tier 3(Escalation) problem identification, diagnosis... ...working knowledge and understanding of system administration interdependencies as part of the...Remote work
$114.64k - $171.96k
...Core Infrastructure System Administrator (System Administrator 3) M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and...Work at officeLocal areaFlexible hoursNight shift- ...telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers... ..., and cybersecurity industries. We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business...Work at officeLocal areaFlexible hoursNight shift
- ...Systems Administrator 3 (Engineer) The Technology Services department of the Wayne County Airport Authority is seeking a Systems Administrator (Engineer) to support enterprise infrastructure across airport systems. The role involves installing, managing, maintaining...
- ...Job:VDOT System Administrator 3 Colonial Heights, VA ONSITE (723809) Location : 2430 Pine Forest Drive Colonial Heights VA 23834 Interview Mode : In Person Only *Local Colonial Heights, VA candidates required *ALL interviews conducted...Local area
$92.18k - $124k
...approach to life-cycle maritime defense systems-from small watercraft to submarines, surface... ...Training Environment (NITE) System Administrator is responsible for administration, maintenance... ...also call (***) ***-**** for assistance. Press #3 for HII Mission Technologies....Full timeWork experience placementLocal areaWorldwide- ...Job Title: System Administrator 3 Location: Staunton, VA Duration: 4-5 Months (possibility of extension) Job Summary: Required experience as a Systems Administrator, creativity and multi-tasking to independently and collaboratively achieve department service...
$151.9k - $172.16k
...Requisition ID: 2500 Standard Title: Systems Administrator Required Security Clearance: Top Secret/SCI Location: Bethesda, MD... ...DOMEX Technology Platform contract as a Systems Administrator 3 focused on Linux and Windows systems administration, performance...Hourly payContract workTemporary workImmediate startMonday to FridayFlexible hoursShift work- ...solutions to businesses, ensuring seamless operations and optimal performance. We are seeking a highly skilled and experienced Systems Administrator Tier 3 to join our dynamic team at DataPerk. The ideal candidate will have a proven track record in troubleshooting Windows...Full timeWork at officeFlexible hours
$146.3k - $156k
...Systems Administrator 3 (Cleared) Ft. Meade or surrounding area, MD **ACTIVE TOP SECRET/SCI Clearance with Polygraph Required to Start** SCD Information Technology (SCDIT) is seeking a senior level Systems Administrator 3 (SA3) with VMware knowledge...Work experience placement- ...System Administrator 3 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...
$22 - $42 per hour
...Job Title : OAG - System Administrator 3 (Short Term) Work Type : Onsite Location : Richmond, VA 23219 Start Date : 06/01/2026 End Date : 12/04/2026 Industry Category : Information Technology / Infrastructure Operations Employment...Hourly payContract workTemporary workWork at officeLocal area- ...System Administrator 3 Location Annapolis Junction, MD Job Code 2127 of Openings 1 Apply Now ( DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA...Flexible hours
- ...maintenance of information Technology (IT) systems. Manages IT system infrastructure and any... ...Tier 1 (Help Desk) and Tier 2 and Tier 3 (Escalation) problem identification, diagnosis... .... Possess a working knowledge of system administration interdependencies as part of the Service‑...Remote work
- ...The Role at a Glance This is a Senior Service Desk role , not a Professional Services role. The Level 3 Infrastructure Engineer / Systems Administrator is a technical anchor for the Service Desk , the person who resolves the hardest issues, stabilizes client environments...Permanent employmentLocal area
$100k - $135k
...about Mission Technologies, click here for a short video: Who We Are Mission Technologies, a Division of HII is seeking a Systems Administrator 3 to support Modeling, Simulation and Training at the Joint Integrated Test and Training Center – Nellis (JITTC-N), Nellis AFB...Full timeLocal areaWorldwide- ...operations-servers, security tools, operating systems, backups, applications, and devices.... ...storage solutions (SAN/NAS). Serve as Tier 3 escalation, leading root-cause analysis... ...Technology with strong System Administration experience. ~ Excellent communication skills...Local area
- ...The Systems Administrator is a hands-on technical role focused on disciplined execution of operational processes, including patching, monitoring... ...and respond to alerts and operational issues Provide Tier 2/3 support for infrastructure incidents Participate in...Work at officeLocal area
- Description & Requirements Under minimal supervision, the System Administrator 3 installs and maintains enterprise IT systems, environments and related software to ensure integrity, performance and reliability. This general classification will be used for a wide variety...
- ...Join our team and discover why we are a top veteran employer ( and Certified Great Place to Work™ ( Position: Intermediate System Administrator, Tier-3 Location: San Antonio, TX (On-Site.) Clearance: U.S. Citizen with ability to obtain a Public Trust. Summary: This...Contract workFor contractorsWork experience placementWork at officeRemote workFlexible hoursShift work
- ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title System Administrator 3 Location(s) Richmond, VA Short Description Systems Administrator supporting hybrid IT infrastructure. Administers Windows...Work at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to SYSTEM ADMINISTRATOR 3. Be the first to apply!
- sql server database administrator United States
- it support administrator United States
- junior systems administrator United States
- server administrator United States
- pos system administrator United States
- office 365 and sharepoint system administrator United States
- systems administrator United States
- systems administrator internship United States
- remote systems administrator United States
- computer systems administrator United States


