Senior/Lead Systems Administrator

Maricopa County Sheriff's Office

Systems Administrator Senior/Lead providing advanced technical support in IT Infrastructure for the Maricopa County Sheriff’s Office. Focusing on system administration and user support within a law enforcement environment.

Posted 7/14/2026full-timePhoenix • Arizona • 🇺🇸 United StatesSenior💰 $82,000 - $132,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in system and network administration, focusing on server management, virtualization, and security within a government or law enforcement context. Proficient in customer service, technical support, and team leadership while ensuring compliance with IT governance and policy management.

Highest-signal resume keywords

Microsoft Active Directory AdministrationVMware vSphere AdministrationMicrosoft Windows Server AdministrationIT Governance ManagementOKTA Administration

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

System AdministrationNetwork AdministrationServer ManagementTroubleshootingVirtualizationSecurity Policy DesignDisaster RecoverySystem AnalysisApplication SupportTechnical Support

Soft Skills

Customer ServiceLeadershipCommunicationTeam SupervisionProblem Solving

Tools & Technologies

VMware vCenterHelpdesk SoftwareFirewall TechnologiesVPN SolutionsStorage Systems

Certifications & Qualifications

Microsoft CertificationVMware CertificationCloud Certification (AWS/Azure)

Industry Keywords

Government ITLaw Enforcement ITSystem SecurityNetwork SecurityIT Policy Management

Tech Stack

Tools & technologies

AWSAzureCloudDNSVMware

About the role

Key responsibilities & impact

Provides system or network administration to support and maintain the installation, configuration, maintenance, monitoring and troubleshooting of systems for the IT Infrastructure and Security Division of the Sheriff’s Office.
Provides third-tier technical support for system and/or network operating systems and applications.
Applies advanced technical expertise to highly complex assignments requiring independent discretion and judgment.
Operates in a senior level role with an extreme focus on customer service and may provide leadership to Systems Administrators or other IT staff.
Manages the server operating system and virtualization environment.
Administers, assigns, and coordinates server/storage/virtualization equipment repairs and maintenance of system security.
Troubleshoots and resolves server hardware, software and LAN connectivity problems.
Prioritizes and manages support calls by working with helpdesk and trouble call software.
Ensures timely completion of support calls and scheduled installations of hardware and software based on business needs.
Maintains high level of communication with customers when scheduling hardware and software installations and performing support calls.
Manages disk space and monitors other network resources.
Evaluates system performance and reports to management.
Assists in system disaster recovery activities.
Defines development tools and procedures for daily operational support.
Coordinates installations and configures server-based and regular software packages onto network servers to facilitate deployment to clients.
Maintains network security through various processes such as security policy design, firewall installation, configuration and maintenance, VPN implementation, security technologies, products and solutions.
Manages LAN accounts including additions, deletions, moves, and changes.
Supports application activities that require specialized system programming.
Assists with software product evaluation, including installation, testing and technical support for the applications programming and/or the computer operations staff.
Analyzes the impact of implementing new system hardware or software, recommends implementation schedule, conducts system analysis on current and proposed systems and applications, and researches and recommends the acquisition of new software, tools and equipment.
Represents the department at meetings.
Performs audits of systems/networks.
Recommends policy changes and maintains maintenance documentation.
Trains, supervises, and assigns work to technical support staff and other Systems/Network Administrators as directed by supervisor.

Requirements

What you’ll need

Bachelor's Degree in Computer Science, Information Technology or closely related field.
Four (4) years of related work experience in administering, configuring, managing, installing and troubleshooting server and storage systems.
Must possess a valid Arizona driver’s license or have the ability to obtain by the time of hire.
Preferred: Six (6) years of experience in managing server software and hardware used by the agency.
Microsoft Active Directory and Entra ID (Azure AD) administration (GPOs, identity lifecycle, hybrid environments).
VMware vSphere and vCenter administration (VM provisioning, HA/DRS, clustering, lifecycle management).
Microsoft Windows Server (2016–2022) administration across core roles (ADDS, DNS, DHCP, IIS, File Services).
IT Experience as part of a government or law enforcement environment.
One (1) year experience with contracts, contract venders, and 3rd party management.
One (1) year of IT governance or policy management.
One (1) year of OKTA Administration experience.
Microsoft certification; VMware certification; Cloud certifications (AWS/Azure).

Benefits

Comp & perks

Choice of three medical plans – starting as low as $70/month
Vision insurance
Dental Insurance
Pet Insurance
Life Insurance
Paid Holidays – 10/year + 1 personal day
Three weeks of vacation PTO accrual your first year (rollover!)
Two weeks of Sick time PTO accrual your first year (rollover!)
Pension: Enrollment in Arizona State Retirement System
Paid Parental leaves (birth/adoption)
MCKids Club child day care services next to HQ.
30% discount at KinderCare facilities in the Valley
MCSO Mentoring program to provide personal and professional growth opportunities for all employees.
Professional Development Assistance
Tuition reimbursement
Access to free County gyms
Employee Discounts