System Administrator III

Posted 2 Days Ago
Be an Early Applicant
2 Locations
In-Office
Senior level
Industrial • Manufacturing
The Role
Manage and optimize enterprise infrastructure across Windows/Linux servers, identity services, storage, virtualization, backups, security, and cloud platforms. Provide Tier III escalation support, lead upgrades and migrations, maintain documentation, perform capacity planning, and recommend system improvements. The role collaborates across IT teams, automates and hardens systems, supports compliance with export-control requirements, and helps maintain reliable, secure infrastructure in manufacturing environments.
Summary Generated by Built In

Job Summary:

  • Working under limited supervision, the IT System Administrator III is a senior‑level technical role responsible for managing, optimizing, and securing the organization’s infrastructure. This position provides advanced support, leads system implementations, and acts as an escalation point for complex issues across servers, networks, applications, and cloud environments.
  • To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Responsibilities:

  • Administer, maintain, and optimize Windows and/or Linux server environments 
  • Manage infrastructure services including Active Directory, DNS, DHCP, Group Policy, identity and access management, and directory synchronization 
  • Oversee enterprise storage, virtualization platforms (VMware/Hyper‑V), and backup/DR solutions 
  • Implement and maintain security standards, patching, hardening, and monitoring across all systems 
  • Provide Tier III incident and problem resolution for escalated infrastructure issues 
  • Lead system upgrades, migrations, integrations, and infrastructure projects 
  • Manage cloud environments such as Microsoft 365, Azure, or AWS 
  • Develop and maintain technical documentation, diagrams, SOPs, and runbooks 
  • Collaborate with cross‑functional teams including Networking, Security, Helpdesk, and Application Support 
  • Perform capacity planning and make recommendations for system improvements


Required Education & Experience:

  • 7+ years of hands‑on experience as a system administrator or similar role, required 
  • Bachelor's degree, preferred
  • Relevant certifications preferred (e.g., MCSA/MCSE, Azure Administrator, AWS SysOps, VMware VCP, CompTIA Security+)
  • Ability to travel (20%)

Desired Proven Attributes:

  • Advanced knowledge of Windows Server and/or Linux systems 
  • Strong experience with virtualization (VMware, Hyper‑V) 
  • Familiarity with cloud platforms (Azure, AWS, Microsoft 365) 
  • Experience with PowerShell or similar automation/scripting tools 
  • Strong understanding of networking fundamentals (TCP/IP, routing, firewalls, VLANs) 
  • Experience with endpoint management platforms (Intune, SCCM, Jamf, etc.) 
  • Knowledge of security best practices, compliance standards, and threat mitigation 
  • Excellent troubleshooting, documentation, and communication skills 

 Competencies:

  • Strong analytical and problem‑solving abilities
  • Ability to work independently and lead technical initiatives
  • Effective communication with both technical and non‑technical stakeholders
  • High attention to detail and commitment to system reliability and security

Essential Traits:

  • Collaboration, Trust & Engagement: Builds strong working relationships with Networking, Security, Helpdesk, and Application Support teams; communicates clearly during migrations, upgrades, and Tier III incidents so cross-functional partners stay informed; earns trust as the go-to escalation point for complex infrastructure issues.
  • Customer Focus & Impact: Understands how server, identity, storage, and cloud reliability affect end users and business units; resolves Tier III incidents and problems in ways that minimize disruption and rebuild confidence in IT; delivers infrastructure projects and migrations that create lasting value rather than short-term fixes.
  • Results & Accountable: Takes ownership of enterprise infrastructure (AD, DNS, DHCP, GPO, storage, virtualization, backup/DR) with a bias toward action; drives patching, hardening, and monitoring on schedule; leads upgrades and migrations to completion and holds self accountable for system stability and security posture.
  • Business & Financial Insights: Applies sound judgment to capacity planning, licensing (e.g., M365, Azure, AWS), and infrastructure investment recommendations; balances cost, performance, and risk when proposing system or platform improvements; understands the business impact of downtime, security gaps, or under-provisioned capacity.
  • Innovation & Courage: Proactively identifies opportunities to modernize, automate, or consolidate infrastructure while operating within ITAR and export-control boundaries (e.g., data segregation, access restrictions on regulated systems); has the courage to enforce compliance-driven security standards even when they slow down convenience or push back on non-compliant requests; challenges outdated configurations or manual processes, and adapts confidently as environments evolve toward hybrid/cloud models without compromising controlled-technical-data safeguards; documents changes clearly (SOPs, runbooks, diagrams) to keep improvements sustainable and audit-ready.

Physical Requirements:

  • Prolonged periods sitting at a desk while working on a computer
  • Ability to lift up to 15 pounds as required
  • Must be able to quickly navigate manufacturing areas
  • Ability to stand, bend, crawl, stretch, lay, and squat for equipment maintenance


For information on Precinmac, including more information on employee benefits and our company culture, visit our website at www.precinmac.com


Precinmac is an equal opportunity, affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This role requires access to U.S. export-controlled information. Therefore, employment will be contingent upon the ability to prove that you meet the status of a U.S. Person as one of the following: U.S. lawful permanent resident, U.S. Citizen, have been granted asylee or refugee status (i.e., a protected individual under the Immigration and Naturalization Act, 8 U.S.C. 1324b(a)(3)).

Skills Required

  • 7+ years of hands-on experience as a system administrator or similar role
  • Bachelor's degree
  • Relevant certifications such as MCSA/MCSE, Azure Administrator, AWS SysOps, VMware VCP, or CompTIA Security+
  • Ability to travel up to 20%
  • Ability to prove U.S. Person status for access to export-controlled information
  • Ability to lift up to 15 pounds and navigate manufacturing areas for equipment maintenance
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The Company
HQ: South Paris, Maine
60 Employees

What We Do

Precinmac is a leading diversified manufacturer of high tolerance precision machined and fabricated components and assemblies. We formulate cost saving alternatives to current production and sourcing methods by offering a single source solution for precise, high-quality, flexible, and on-time manufacturing to top-tier customers globally. Our manufacturing capabilities enable execution of all complex, highly engineered designs. With 8 locations in the United States and Canada we are your ideal single-source solution for close tolerance fabrication, machining & finishing of alloy, specialty alloy, and composite materials. We have a history of delivering value to our customers through our engineering expertise, lean manufacturing techniques, and unparalleled quality. All of our facilities are ISO 9001:2015 and AS9100D certified.

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