Senior Systems Administrator — Mesa, AZ at Top Aces

About the Role

The Senior Systems Administrator is a hands-on, technical role designed to support and advance the organization's IT infrastructure across cloud, on-premises, and enterprise application environments. This position blends advanced systems administration, cloud solutioning, and operational support with a strong emphasis on disaster recovery readiness and enterprise system reliability.

The ideal candidate is a proactive, solutions-oriented professional capable of balancing strategic cloud initiatives with day-to-day ticket support. You will serve as a key resource for Tier 2 and Tier 3 escalations, troubleshooting complex hardware, software, network, and cloud-related issues. Beyond technical execution, this role involves mentoring junior and mid-level IT staff, contributing to the improvement of helpdesk processes, and collaborating with business stakeholders to ensure the seamless operation of critical enterprise systems, including ERP environments.

Mission and Impact

Your work directly impacts the organization's resilience and security posture. You will be responsible for overseeing enterprise backup solutions, performing regular restoration drills, and ensuring that Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) are consistently met. In a landscape requiring adherence to strict security frameworks such as NIST 800-53, NIST 800-171, and CMMC Level 2, your expertise in vulnerability management, system hardening, and audit participation is vital to maintaining compliance and protecting sensitive information.

Working Environment and Requirements

This role operates within an office or remote office environment but requires the flexibility to work nights, weekends, and holidays as needed to support critical infrastructure. Candidates must be prepared to travel within the US and internationally. A key prerequisite for this position is the ability to obtain and maintain a security clearance and a Common Access Card (CAC), with no bars to installation.

Equal Opportunity Statement

Reasonable accommodations will be provided to qualified individuals with disabilities, as required by the Americans with Disabilities Act (ADA) and other applicable federal, state, and local laws. Candidates are expected to meet qualitative and/or quantitative productivity standards, with allowances where necessary under the ADA, FMLA, and other relevant laws.

Work location

Work model: On-site

Child Crisis Center, 604, West 9th Street, Mesa, Maricopa County, Arizona, 85201, United States

Mesa, Arizona

Key Responsibilities

check_circleOversee enterprise backup solutions and perform disaster recovery testing
check_circleManage identity services including Active Directory and Microsoft Entra ID
check_circleAdminister endpoint management platforms and system configurations
check_circleProvide Tier 2 and Tier 3 escalation support for complex technical issues
check_circleSupport administration and troubleshooting of the Enterprise Resource Planning system
check_circleEnsure adherence to security frameworks and assist with vulnerability management
check_circleMentor junior IT staff and contribute to improving helpdesk processes
check_circleMaintain accurate system documentation and configuration records
check_circleAssist with evaluation and implementation of new technologies
check_circle

Requirements

verifiedMinimum High School diploma
verifiedBachelor's degree with 6+ years or equivalent experience preferred
verifiedMicrosoft Certified: Azure Administrator Associate or equivalent preferred
verifiedCisco Certified Network Associate (CCNA) or equivalent preferred
verifiedCompTIA Security+ preferred
verifiedMust be able to obtain a Common Access Card (CAC)
verifiedMust be able to obtain and maintain a security clearance

Nice to Have

Bachelor's degree with 6+ years of experience or equivalent experience. Microsoft Certified: Azure Administrator Associate or equivalent. Cisco Certified Network Associate (CCNA) or equivalent. CompTIA Security+. Additional certifications such as Azure Solutions Architect or CISSP.

Skills, education and keywords

Skills: Microsoft Azure, Microsoft 365, Active Directory, Microsoft Entra Id, Intune, Windows Server, Erp, Nist 800-53, Nist 800-171, CMMC Level 2.

Education: Minimum High School diploma required; Bachelor's degree with 6+ years or equivalent experience preferred.

Frequently asked questions about Senior Systems Administrator with Security Clearance at Top Aces

What does a Senior Systems Administrator with Security Clearance at Top Aces do?expand_more

Day-to-day, the Senior Systems Administrator with Security Clearance at Top Aces will oversee enterprise backup solutions and perform disaster recovery testing; manage identity services including active directory and microsoft entra id; administer endpoint management platforms and system configurations; and provide tier 2 and tier 3 escalation support for complex technical issues.

What are the requirements for this Senior Systems Administrator with Security Clearance role?expand_more

To qualify for the Senior Systems Administrator with Security Clearance at Top Aces position, applicants should have: Minimum High School diploma; Bachelor's degree with 6+ years or equivalent experience preferred; Microsoft Certified: Azure Administrator Associate or equivalent preferred; Cisco Certified Network Associate (CCNA) or equivalent preferred; CompTIA Security+ preferred; and Must be able to obtain a Common Access Card (CAC).

Where is the Senior Systems Administrator with Security Clearance role at Top Aces located?expand_more

Senior Systems Administrator with Security Clearance at Top Aces is based in Child Crisis Center, 604, West 9th Street, Mesa, Maricopa County, Arizona, 85201, United States. This is a on-site role.

Is this Senior Systems Administrator with Security Clearance job remote, hybrid, or on-site?expand_more

Top Aces has listed this Senior Systems Administrator with Security Clearance role as on-site.

How much experience is required for this Senior Systems Administrator with Security Clearance role?expand_more

Senior Systems Administrator with Security Clearance at Top Aces typically requires 6+ years of relevant experience at the senior level.

What skills do you need for the Senior Systems Administrator with Security Clearance role at Top Aces?expand_more

Key skills for Senior Systems Administrator with Security Clearance at Top Aces include Microsoft Azure; Microsoft 365; Active Directory; Microsoft Entra Id; Intune; Windows Server; Erp; and Nist 800-53.

What education is required for Senior Systems Administrator with Security Clearance at Top Aces?expand_more

Educational requirements for this role: Minimum High School diploma required; and Bachelor's degree with 6+ years or equivalent experience preferred.

What category does the Senior Systems Administrator with Security Clearance role belong to?expand_more

Senior Systems Administrator with Security Clearance at Top Aces is part of the it job category on Recrutus.

Senior Systems Administrator with Security Clearance