CrawlJobs Logo
Robert Half Logo Robert Half · IT - Administration

Senior IT Administrator

United States, North Little Rock Employment contract · Job Posted June 02, 2026
Apply Position
Job Link Share

Job Description

We are looking for a Senior IT Administrator to lead the stability, security, and day-to-day performance of our technology environment in North Little Rock, Arkansas. This role blends cloud administration, infrastructure oversight, end-user support, and security operations to keep systems running efficiently and securely. The ideal candidate brings strong experience across Microsoft platforms, hybrid environments, and enterprise support while helping shape practical improvements to IT services and processes.

Job Responsibility

  • Oversee identity and access administration across Entra ID, including account provisioning, permission structures, policy management, and role-based access controls
  • Manage Microsoft Intune to support device enrollment, compliance standards, application delivery, and mobile endpoint administration
  • Strengthen security by implementing multi-factor authentication, maintaining conditional access rules, and responding to risks or incidents affecting cloud systems
  • Administer the Microsoft 365 environment, including core collaboration and messaging services, tenant settings, and license allocation
  • Maintain core infrastructure across servers, virtual environments, networks, firewalls, wireless connectivity, backups, and recovery planning
  • Support and manage physical security technologies such as badge access systems, door controllers, and integrated surveillance components
  • Act as the highest level of escalation for complex technical issues involving hardware, software, connectivity, and user access
  • Coordinate employee onboarding and offboarding by preparing equipment, configuring accounts, assigning access, and recovering assets when needed
  • Develop clear technical documentation, maintain operating procedures, and contribute to IT initiatives such as office technology deployments, audits, and system upgrades
  • Partner with vendors and internal stakeholders to evaluate new tools, manage assets and software usage, and improve overall service delivery and cost efficiency

Requirements

  • At least 3 years of experience in IT administration, systems engineering, or a similar technical support environment
  • Hands-on expertise with Microsoft Entra ID, Microsoft Intune, Microsoft 365, and Windows Server administration
  • Experience supporting hybrid infrastructure that includes cloud services, on-premises systems, virtualization, and endpoint security tools
  • Strong troubleshooting ability across user devices, enterprise applications, identity platforms, and network-related issues
  • Working knowledge of Active Directory, group policy, access controls, backup practices, and disaster recovery concepts
  • Ability to communicate technical information clearly to both technical teams and non-technical employees

Nice to have

  • Familiarity with VMware, endpoint protection practices, and administration of enterprise Microsoft environments
  • Relevant certifications, scripting experience, or exposure to network and firewall administration are a plus

What we offer

  • medical, vision, dental, and life and disability insurance
  • 401(k) plan
Robert Half - 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 IT Administrator

8 matching positions

It Senior System Administrator

This position is responsible for the effective installation, configuration, oper...
Location
Location
United States , Newkirk
Salary
Salary:
Not provided
sevenclans.com Logo
7 Clans Casinos
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree or equivalent combination of education and work experience is required
  • 6 years of systems administration experience
  • Guest Service experience preferred, however not required
  • Must be at least 18 years of age
  • Must be able to provide all documents required to show the incumbent is eligible to work in the United States
  • Required to pass a drug test and obtain and maintain a gaming license to work in a casino from the Otoe Missouria Gaming Commission
  • Valid Driver’s License
  • Must be willing and able to work days, nights, weekends, and holidays
  • Read, write, and speak the English language
Job Responsibility
Job Responsibility
  • Perform daily system monitoring to verify the integrity, reliability, and availability of all server resources and systems
  • Possess a thorough understanding of data flow within the casino management system and related systems
  • Perform daily security monitoring to identify intrusions or system misuse
  • Perform daily backup operations and ensure media is cycled off-site for safe storage
  • Perform regular file archival and purge data as required
  • Create, change, and disable user accounts as requested in Active Directory
  • Knowledge of working with VMware doing server maintenance
  • Investigate and troubleshoot problems as escalated and assign appropriate priority to work
  • Repair and recover from hardware and software failures to minimize the impact to casino operations
  • Apply software patches and upgrades on a regular basis
  • Fulltime
Read More
Arrow Right

Senior IT Support Administrator

Our Information Technology team is looking for a Senior IT Support Administrator...
Location
Location
United States , San Diego
Salary
Salary:
61200.00 - 84100.00 USD / Year
seismic.com Logo
Seismic
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong customer service focus combined with excellent verbal, written, and interpersonal skills
  • Experience with ITIL based helpdesk system (We utilize Freshservice)
  • Minimum 3+ years of experience providing end user technical support
  • Self-motivation to accomplish team goals
  • Exceptional organizational and time-management skills
  • Familiar with Azure Active Directory, Google Workspace, JAMF, PowerShell, ServiceNow, Workato, Meraki
  • Zoom Room experience preferred
  • Familiarity working with a 100% cloud environment
  • Eager to develop proficiency with AI-driven tools and apply them to improve workflows, decision-making, and efficiency
  • Experience with inventory management
Job Responsibility
Job Responsibility
  • Provide timely responses and resolutions to both PC and Mac users
  • Serve as a primary steward for your local office – while also supporting our hybrid workforce
  • Manage local A/V systems and be the local liaison for all-hands meetings
  • Manage permissions and access through: Azure Active Directory, Office 365, JAMF, NinjaOne, and Google Workspace
  • Engage with team members within and external to IT to improve the overall IT experience
  • Work with third party vendors and solution providers
  • Fulltime
Read More
Arrow Right

Senior IT Systems Administrator

Reporting to the Director of IT and Data Sciences, we are seeking a Senior IT Sy...
Location
Location
United States , Philadelphia
Salary
Salary:
Not provided
cabalettabio.com Logo
Cabaletta Bio Inc
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree with 5+ years of experience as a Systems Administrator or similar role in biotech, pharmaceutical, or life sciences industries
  • Experience with LAN/WAN networks, including wireless and firewall management
  • Strong experience with AWS services, including EC2, VPC, Elastic Load Balancing (ALB/NLB), RDS, and S3
  • Strong experience with Windows Server (2016/2019/2022) and RHEL (7/8/9)
  • Experience supporting Microsoft 365 applications, including Exchange, SharePoint, Teams, and Entra ID (SSO, SAML, OIDC)
  • Solid understanding of Active Directory, Group Policy, and file system permissions
  • Experience with backup and recovery platforms
  • Experience supporting cybersecurity practices in a regulated environment, including patch management, access controls, and endpoint security
  • Familiarity with firewalls, network security concepts, and identity management
  • Excellent problem-solving, communication, and organizational skills
Job Responsibility
Job Responsibility
  • Own and contribute to the design, implementation, configuration, and support of servers, network devices, and firewalls in collaboration with IT and business teams
  • Own the operational health of IT systems, including end-user support, break-fix activities, monitoring, patch management, system backup/recovery, system administration, troubleshooting, and issue resolution
  • Lead and coordinate Tier 2/3 escalations, ensuring timely resolution with internal stakeholders and external partners
  • Serve as a primary technical point of contact for external service providers, ensuring alignment with operational and security expectations
  • Partner with external support providers to maintain consistent service delivery, including responsiveness, quality, and adherence to service expectations
  • Review escalations, recurring issues, and incident trends to identify improvement opportunities and reduce operational risk
  • Coordinate and communicate infrastructure and system changes, ensuring proper documentation and alignment with internal processes
  • Collaborate with internal stakeholders and service providers to prioritize work and support a high-quality end-user experience
  • Contribute to continuous improvement of IT service delivery processes and operational practices
  • Administer and support core Linux and Microsoft technologies across cloud and hybrid environments
What we offer
What we offer
  • health and retirement
  • PTO
  • stock option plans
  • Fulltime
Read More
Arrow Right

Senior IT Systems Administrator

This is a Contract to permanent position, offering an exciting opportunity to su...
Location
Location
United States , New York
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum of 5 years of experience in IT systems administration or a related field
  • Proficiency in tools such as Slack, Rippling, Google Workspace, Freshservice, and Azure Sentinel
  • Familiarity with Airtable, HubSpot, Confluence, Figma, and Five9 platforms
  • Strong troubleshooting and problem-solving skills for both hardware and software issues
  • Demonstrated ability to manage endpoint security operations and SaaS services effectively
  • Experience in vendor management and IT inventory oversight
  • Solid understanding of network administration and optimization, including Ubiquiti systems
  • Excellent communication skills and ability to collaborate across teams
Job Responsibility
Job Responsibility
  • Manage and maintain SaaS services, endpoint security, vendor relationships, and IT inventory to ensure smooth day-to-day operations
  • Oversee technical support for end-users, addressing issues promptly to maximize productivity
  • Lead hardware and software deployment, troubleshooting, and maintenance efforts
  • Collaborate with People Operations to streamline onboarding and offboarding processes, including equipment provisioning through Rippling
  • Administer and optimize office networks, ensuring robust connectivity and reliability using Ubiquiti
  • Support Google Workspace operations, maintaining functionality and resolving issues as needed
  • Work closely with internal development teams to provide technical assistance for proprietary applications
  • Implement security best practices across IT systems and networks to safeguard organizational data
  • Ensure the functionality of Google Meet and AV equipment within conference rooms to support uninterrupted meetings
  • Standardize processes and establish operational best practices to improve transparency, speed, and quality
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 IT Security Administrator

Palladyne AI (NASDAQ: PDYN) is an AI software company on a mission to automate p...
Location
Location
Salary
Salary:
Not provided
palladyneai.com Logo
Palladyne AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Active U.S. Government Security Clearance or favorable eligibility determination required
  • 7+ years of experience in IT security, systems administration, or cybersecurity roles required
  • Bachelor’s degree in information security, computer science, or related field (or equivalent experience)
  • Strong knowledge of: Security frameworks (NIST, CMMC, RMF)
  • Network security, endpoint protection, and system hardening
  • Windows and/or Linux administration
  • Experience with security tools such as SIEM (e.g., AlienVault), EDR, vulnerability scanners, and firewalls
  • Proven experience handling security incidents and compliance audits
  • Strong analytical and problem-solving abilities
  • Excellent communication and documentation skills
Job Responsibility
Job Responsibility
  • Administer and monitor enterprise security systems (SIEM, EDR, firewalls, IDS/IPS, DLP)
  • Implement and enforce security policies, standards, and procedures
  • Perform vulnerability assessments, risk analysis, and remediation activities
  • Lead incident response efforts, including investigation, containment, and reporting
  • Ensure compliance with frameworks such as NIST 800-171, CMMC, RMF, and other federal requirements
  • Support audits and assessments (internal and external), including documentation and remediation tracking
  • Maintain System Security Plans (SSPs), POA&Ms, and related artifacts
  • Manage identity and access systems (e.g., Active Directory, Entra ID, PAM solutions)
  • Enforce least privilege and multi-factor authentication policies
  • Secure on-premises and cloud environments (AWS, Azure, or similar)
  • Fulltime
Read More
Arrow Right

Senior IT Systems Administrator

We are looking for an experienced IT Systems Administrator-Level 3 to join our t...
Location
Location
United States , Juno Beach
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • 11-15 years of experience managing enterprise IT environments, system architecture, and infrastructure security with attention to detail
  • Advanced knowledge of Active Directory, Azure AD, VMware, and cloud-based infrastructure solutions
  • Expertise in IT governance, cybersecurity risk management, and compliance with industry regulations
  • Demonstrated ability to lead complex IT projects, including cloud migrations and automation initiatives
  • Proficiency in problem management, root cause analysis, and system reliability enhancement
  • Familiarity with monitoring tools and techniques to improve incident detection and response
  • Strong understanding of networking, operating systems, and configuration management processes
Job Responsibility
Job Responsibility
  • Manage the installation, configuration, and maintenance of computing infrastructure, including operating systems and middleware products, across various platforms
  • Evaluate, implement, and adjust software parameters and solutions to optimize system performance
  • Develop and enforce cybersecurity measures to safeguard enterprise IT environments and ensure compliance with regulations
  • Oversee enterprise Active Directory environments, virtualization platforms, and network infrastructure
  • Lead IT infrastructure projects such as data center operations, cloud migrations, and automation initiatives
  • Collaborate with monitoring engineers to enhance issue prediction, detection, and automated response systems
  • Drive continuous improvement in system reliability through root cause analysis and problem management
  • Ensure timely delivery of PC hardware and software asset management processes and IT audit requirements
  • Maintain compliance with workstation patching and vulnerability reduction efforts
  • Utilize IT governance frameworks to establish policies and procedures that align with best practices and industry standards
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
Read More
Arrow Right

IT Systems Senior Administrator

As the IT Systems Senior Administrator for Microsoft 365 within the Cloud Operat...
Location
Location
Poland , Wrocław
Salary
Salary:
Not provided
amrest.eu Logo
AmRest
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Demonstrated experience managing large-scale Microsoft 365 environments
  • Deep understanding of Microsoft Entra ID, Exchange Online, SharePoint Online, and Teams
  • Strong skills in PowerShell scripting
  • Familiarity with Microsoft Purview
  • Experience working in hybrid setups and executing cloud migration plans
  • Proactive and self-driven approach – with the ability to take ownership and work independently
  • Very good command of English
Job Responsibility
Job Responsibility
  • Manage the full lifecycle of M365 services (Exchange Online, SharePoint Online, Teams, OneDrive, Microsoft Entra ID)
  • Implement compliance controls (Microsoft Purview) and ensure adherence to internal governance standards
  • Design and maintain security, backup, and monitoring solutions for M365
  • Configure and manage Entra ID features (Conditional Access, MFA, Identity Governance)
  • Collaborate with the Security team to strengthen cloud infrastructure and improve risk management
  • Monitor performance and health metrics across M365 platforms
  • Provide advanced (L2–L3) support and resolve escalated incidents
  • Lead initiatives to improve operational workflows and automation (e.g., PowerShell, IaC)
  • Maintain up-to-date documentation on configurations, policies, and procedures
  • Contribute to architectural discussions and modernization projects
What we offer
What we offer
  • Professional development in a global organization
  • Responsible role building valuable work experience, opportunity to create and implement innovative solutions
  • Supportive Environment: Work with a close-knit, diverse team where knowledge is shared, and growth is encouraged
  • Annual bonus – up to 20% of yearly earnings
  • Attractive benefits package (including Multisport card, private medical care, 25% discount in our restaurants and cafés, and more)
Read More
Arrow Right

Senior IT Systems Administrator

Join Vodafone Business Security Enhanced and strengthen the cyber security of th...
Location
Location
United Kingdom , Farnborough
Salary
Salary:
Not provided
vodafone.com Logo
Vodafone
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • At least 3 years of experience as an IT System Administrator or Engineer, ideally in telecoms or ISP environments
  • Skilled in Windows, Linux, and VMware systems
  • Hands-on experience with Network Management Systems like SolarWinds, PRTG, Zabbix, or vendor-specific tools
  • Familiar with security technologies including AV/EDR and SIEM
  • Can script in Python or PowerShell
  • Hold a degree or equivalent experience
  • Eligible to maintain DV security clearance
Job Responsibility
Job Responsibility
  • Manage and operate Windows, Linux, and VMware platforms to support VBSE and its customers
  • Become a subject matter expert in Network Management Systems and IT Security
  • Create and maintain platform documentation, including High-Level and Low-Level Designs, and process guides
  • Support customer deployments, user acceptance testing, and IT Health Checks
  • Collaborate closely with Architecture, Engineering, NOC, and SOC teams to provide deep technical support
What we offer
What we offer
  • Excellent basic salary plus bonus and Vodafone benefits
  • Up to 28 days off plus bank holidays
  • Paid time for charity work
  • Discounts
  • Vouchers
  • Pension plan
  • Amazing learning tools
  • Top-notch parental leave policies
  • Fulltime
Read More
Arrow Right