CrawlJobs Logo
Wrench Technology Logo Wrench Technology · IT - Administration

Senior Systems Administrator

United States, Laurel · Job Posted January 02, 2026
Apply Position
Job Link Share

Job Description

The role of the System Administrator includes supporting the implementation, troubleshooting, and upkeep of Information Technology (IT) systems. This involves overseeing the IT system infrastructure and associated processes, providing assistance for day-to-day operations, monitoring, and resolving issues related to client/server/storage/network devices, as well as mobile devices. The role entails diagnosing and resolving problems, configuring, and managing UNIX and Windows operating systems, installing, and maintaining operating system software, ensuring integrity, and configuring network components. Additionally, System Administrators implement enhancements to operating systems to enhance reliability and performance. Provides assistance with the installation, configuration, optimization, and administration of extensive Hadoop (Apache Accumulo) clusters dedicated to data-intensive computing tasks.

Job Responsibility

  • Supporting the implementation, troubleshooting, and upkeep of Information Technology (IT) systems
  • Overseeing the IT system infrastructure and associated processes
  • Providing assistance for day-to-day operations, monitoring, and resolving issues related to client/server/storage/network devices, as well as mobile devices
  • Diagnosing and resolving problems
  • Configuring, and managing UNIX and Windows operating systems
  • Installing, and maintaining operating system software
  • Ensuring integrity, and configuring network components
  • Implementing enhancements to operating systems to enhance reliability and performance
  • Provides assistance with the installation, configuration, optimization, and administration of extensive Hadoop (Apache Accumulo) clusters dedicated to data-intensive computing tasks

Requirements

  • Fourteen (10) years of experience of professional experience as a SA
  • Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required
  • Five (5) years of additional SA experience may be substituted for a bachelor’s degree
  • Provide expert in troubleshooting IT systems
  • Provide thorough analysis and feedback to management and internal customers regarding escalated tickets
  • Extend support for dispatch system and hardware issues, remaining actively engaged in the resolution process
  • Handle configuration and management of UNIX and Windows (or other relevant) operating systems, including installation/loading of software, troubleshooting, maintaining integrity, configuring network components, and implementing enhancements to improve reliability and performance
  • NetApp experience required
  • Able to write the following scripting languages: Python, Ruby and Perl
Wrench Technology - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Systems Administrator

8 matching positions

Senior Systems Administrator

The Senior Systems Administrator is responsible for the oversight, configuration...
Location
Location
United States , Phoenix
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Associate’s Degree in Information Technology, GIS, Computer Science, or a related field
  • minimum five (5) years of progressive IT experience directly related to systems administration and the technologies listed
  • OR an equivalent combination of education and experience
  • Must possess and maintain a valid Arizona Driver’s License at the time of hire
Job Responsibility
Job Responsibility
  • Assign and oversee daily tasks for systems administration staff
  • Install, configure, maintain, and troubleshoot operating system workstations and servers
  • Administer on-premises and cloud-based Microsoft Exchange environments
  • Manage and automate Active Directory, Group Policy Objects, DNS, DHCP, and user/computer provisioning
  • Oversee VMware vCenter / vSphere environments
  • Configure and manage print servers, server backups, and disaster recovery solutions
  • Develop and enforce service level agreements
  • Lead or participate in IT projects
  • Administer vendor contracts related to infrastructure systems
  • Provide tier III escalation support
What we offer
What we offer
  • Medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
  • Fulltime
Read More
Arrow Right

Senior Systems Administrator

We’re hiring a Senior Systems Administrator to support and optimize a complex en...
Location
Location
United States , Jacksonville
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of systems administration experience
  • Strong expertise in Windows infrastructure and Active Directory
  • Experience with VMware or enterprise virtualization platforms
  • Knowledge of Azure or hybrid cloud environments
  • Scripting experience (PowerShell preferred)
Job Responsibility
Job Responsibility
  • Administer and maintain Windows Server environments (AD, DNS, DHCP, GPO)
  • Manage virtualized environments (VMware vSphere / Hyper-V)
  • Oversee M365 and Azure AD / Entra ID administration
  • Monitor system performance and implement proactive improvements
  • Lead patching, upgrades, and system hardening efforts
  • Support backup, disaster recovery, and business continuity planning
  • Collaborate on cloud migration and hybrid infrastructure initiatives
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • company 401(k) plan
  • free online training
  • Fulltime
Read More
Arrow Right

Senior Systems Administrator

Astrion has an exciting opportunity for a Senior Information Systems Administrat...
Location
Location
United States , Montgomery
Salary
Salary:
Not provided
astrion.us Logo
Astrion
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Master’s or Doctorate in a related field with 10 years of experience, including 5 years in DoD
  • OR Bachelor’s degree in a related field with 12 years of experience, including 5 years in DoD
  • OR 15 years of directly related experience with required certifications, including 8 years in DoD
  • Professional Certification: DoD 8140 451-Intermediate Certification required (Security+)
  • Advanced system administration expertise across Network, Web, and communication systems, including LAN/WAN environments and network security
  • Experience preparing technical implementation plans outlining integrated solutions, milestones, timelines, and critical paths
  • Hands-on experience with configuration and daily operations of business systems (mainframe, client/server, cloud-based, or hybrid)
  • Strong background in optimizing system operations, resource utilization, and performance
  • Proficiency in system capacity analysis, forecasting, and planning
  • Ability to provide expert-level user assistance for accessing and navigating business systems
Job Responsibility
Job Responsibility
  • Provide advanced system administration for Network, Web, and communication systems, ensuring secure and effective operations across LAN/WAN environments
  • Support the Agile Support Office in establishing, documenting, and optimizing technical baselines for BES programs
  • Partner with functional sponsors, CDTs, and infrastructure providers to assess and deliver hosting environment options aligned with DCOI and Air Force Common Computing Environment standards
  • Foster reuse, interoperability, and efficiency across application technical infrastructures and shared services
  • Support lifecycle management by delivering and maintaining tools, environments, and services required by program offices and development teams
  • Prepare and execute detailed implementation plans, including integrated technical solutions, schedules, and risk considerations
  • Conduct system performance optimization and capacity planning to meet evolving mission needs
  • Assist users in accessing and effectively using business systems and technical environments
  • Contribute to AFLCMC/GBQ process improvement initiatives by supporting standard, repeatable practices and participating in CPI activities
  • Ensure all system administration and infrastructure activities comply with DoD, Air Force, and AFLCMC policies and technical standards
What we offer
What we offer
  • Competitive salaries
  • Continuing education assistance
  • Professional development
  • Multiple healthcare benefits package options
  • 401K with employer matching
  • Competitive time off policy along with a federally recognized holiday schedule
  • Fulltime
Read More
Arrow Right

Senior Systems Administrator

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, deliv...
Location
Location
United States , Aurora
Salary
Salary:
155000.00 - 175000.00 USD / Year
rivsol.com Logo
Riverstone Enterprise Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10 years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required
  • Bachelor's degree in technical discipline from an accredited college or university. Five (5) years of additional Systems Administrator experience may be substituted for a bachelor's degree
  • Current/Active TS/SCI with Full Scope Polygraph
Job Responsibility
Job Responsibility
  • Provide support for implementation, troubleshooting, and maintenance of IT 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
  • Provide assistance to users in accessing and using IT systems
  • Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
  • Fulltime
Read More
Arrow Right

Senior Systems Administrator

Riverstone is seeking a motivated, career, and customer-oriented Systems Adminis...
Location
Location
United States , Aurora
Salary
Salary:
Not provided
rivsol.com Logo
Riverstone Enterprise Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Ten (10) years’ experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required
  • Bachelor’s degree in technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted for a bachelor’s degree
  • Clearance Requirement: Current/Active TS/SCI with Full Scope Polygraph
Job Responsibility
Job Responsibility
  • Provide support for implementation, troubleshooting, and maintenance of IT systems
  • Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
  • Manage the daily activities of configuration and operation of IT systems
  • Provide assistance to users in accessing and using IT systems
  • Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
  • Provide 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.
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
Read More
Arrow Right

Senior Systems Administrator

Location
Location
United States , San Francisco
Salary
Salary:
Not provided
whitehallresources.com Logo
Whitehall Resources Ltd
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years Windows and/or Unix system administration experience
  • Excellent project management, communications, customer service and teamwork skills
  • Experience with VMWare, GitLab, Jenkins, Jira, TestRail, PRTG, MS SQL, Active Directory, Windows server, Linux (Ubuntu preferably)
  • Excellent communication skills with proven stakeholder management skills
Job Responsibility
Job Responsibility
  • Have the chance to work with new and existing technology
  • Progress your career to the next level
  • Work for a globally recognized company
  • Fulltime
Read More
Arrow Right

Senior Systems Administrator

We are looking for an experienced Senior Systems Administrator to join our team ...
Location
Location
United States , Fort Mill
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • At least 5 years of experience in system administration is required
  • Relevant education and IT Certifications are also desired
  • Strong expertise in Active Directory and Microsoft Windows Server
  • Proficiency in administrating Microsoft 365 Enterprise and Azure/Entra ID
  • Hands-on experience with spinning up/ managing virtualized environments in Hyper-V or VMWare
  • Familiarity with Windows Servers administration: patching, updates, performance monitoring, and troubleshooting
  • Demonstrated ability to migrate file shares and manage SharePoint Online
  • Excellent problem-solving skills and attention to detail
  • Ability to work onsite five days per week
Job Responsibility
Job Responsibility
  • Manage and maintain Active Directory environments to ensure security and efficiency
  • Oversee the administration of Microsoft Windows Server systems, ensuring optimal performance
  • Provide support and troubleshooting for Microsoft Windows 10 across the organization
  • Collaborate with teams to implement and manage Microsoft 365 Enterprise solutions
  • Administer Citrix technologies to enhance user experience and system functionality
  • Work closely with marketing teams to facilitate workflows and improve system processes
  • Migrate file shares to SharePoint Online and oversee its integration across the organization
  • Ensure seamless operation of Dell Technologies hardware and software
  • Support users across 22 locations, providing remote assistance as needed
  • Conduct regular system updates and maintenance to minimize downtime
What we offer
What we offer
  • medical, vision, dental, and life and disability insurance
  • eligible to enroll in our company 401(k) plan
Read More
Arrow Right

Senior Systems Administrator

We are looking for a Senior Systems Administrator who can support and enhance ou...
Location
Location
United States , Jacksonville
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5–8+ years in Systems Administration
  • Strong knowledge of Azure, O365, AD/Entra ID, and Windows Server
  • Familiarity with VMware, Linux, storage, and networking fundamentals
  • Hands-on scripting skills (PowerShell preferred)
  • Experience supporting enterprise apps and complex technical environments
Job Responsibility
Job Responsibility
  • Administer Azure/AWS environments, resource groups, VMs, identity, and backups
  • Manage Windows Server environments, patching, updates, and security controls
  • Support enterprise applications (O365, Exchange Online, SharePoint, Teams)
  • Maintain monitoring, alerting, performance tuning, and incident response
  • Troubleshoot issues across servers, networks, applications, and integrations
  • Coordinate with vendors, security, and engineering teams on escalations
  • Document system configurations, standards, and operational procedures
  • Assist with deployments, upgrades, and rollout of new technologies
What we offer
What we offer
  • medical, vision, dental, and life and disability insurance
  • eligible to enroll in our company 401(k) plan
  • free online training
Read More
Arrow Right