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This position has closed. Invenergy removed this listing from their careers page on Oct 6, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Administrator III, IT Infrastructure

Invenergy · Chicago, IL · $88,000–$118,000 a year · Full time

Posted Sep 1, 2026 · We last checked this listing on Oct 5, 2026

Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a network outage you resolved. How did you find the cause?

What they are checking: Whether they troubleshoot methodically across layers instead of guessing.

Tell me about a time you had to push back on a request because it created a security risk.

What they are checking: Whether they protect security while still helping colleagues find a workable solution.

What would you do

A remote wind site has lost its WAN connection. How do you approach it?

What they are checking: Whether they can troubleshoot remote sites with limited onsite help and know backup options.

How do you plan and carry out a network change at a site that can't afford downtime?

What they are checking: Whether they plan maintenance windows, rollbacks and communication carefully.

About the work

Walk me through how you'd design the network at a new office or plant site using Cisco switches and Aruba wireless.

What they are checking: Whether they can plan VLANs, redundancy and wireless coverage for real enterprise sites.

How do you manage Palo Alto firewall rules so they stay secure and don't turn into a mess over time?

What they are checking: Whether they follow least privilege, review rules regularly and document changes.

What does NERC CIP require for networks at generation sites, and how does it change your work?

What they are checking: Whether they understand electronic security perimeters, access controls and change documentation.

How have you used scripting or automation to manage network devices?

What they are checking: Whether they can reduce manual work and errors across many devices.

How might AI tools help with network operations, and where would you be careful using them?

What they are checking: Whether they see practical uses for AI while staying aware of risks in a regulated environment.

How do you keep network documentation accurate across many sites?

What they are checking: Whether they treat documentation as part of the job, which matters for audits and outages.

Practice this interview out loud.

Offer builds a real interview for this exact role at Invenergy from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Invenergy.

Invenergy is North America’s largest privately held developer, owner, and operator of power infrastructure. With 25 years of trusted execution, we deliver reliable, affordable energy through a diverse portfolio that includes natural gas, solar, land-based wind, energy storage, transmission, and domestic manufacturing. Headquartered in Chicago, we develop, own, and operate large scale projects that power communities and support the energy future. This position will be open for application for at least 3 calendar days from the posting date. This position will remain open for application based on business need, which may be before or after the 3-day posting window. Job Description Summary We are seeking an experienced and collaborative IT Systems Administrator III position to help foster the design, management, and optimization of our end-user computing environment. In this role, you will drive endpoint architecture and user experience, oversee device lifecycle programs, support enterprise security objectives, and serve as a technical escalation point for our global organization. This position is ideal for a seasoned endpoint / client services engineer who enjoys both hands-on work and shaping long-term technology standards. At Invenergy, you will join a growing IT team supporting a company focused on innovation in renewable, clean energy and transmission. Key Responsibilities • Lead architecture, configuration, and governance of Windows and macOS endpoint environments. • Own enterprise endpoint management platforms (Intune, MECM/SCCM, Jamf) and drive modern device management initiatives. • Oversee the full device lifecycle including planning, procurement, provisioning, refresh, and decommissioning. • Serve as Tier 3 escalation point and mentor junior team members. • Manage endpoint security controls including EDR, patch compliance, encryption, and configuration hardening. • Administer advanced identity and access management tasks across Active Directory, Azure AD (Entra), and Microsoft 365. • Partner with Cybersecurity and Infrastructure teams to implement secure and scalable endpoint standards. • Lead endpoint-related projects, upgrades, and process improvements Required Qualifications • Bachelor’s degree in Information Technology, Computer Engineering, or related field. • 4+ years of experience in IT systems administration or enterprise endpoint management. • Advanced expertise with Windows 10/11, Intune, Autopilot, MECM/SCCM, and/or Jamf. • Thorough understanding of identity and access management - AD, Azure AD (Entra), Conditional Access. • Strong experience with Microsoft 365 administration and endpoint security tools. • Demonstrated ability to lead technical initiatives and resolve complex issues. • Excellent communication, documentation, and customer service skills. • Ability to travel domestically/internationally as needed; participation in on-call rotation required. • Eligible to work in the United States without the need for employer visa sponsorship now or in the future Preferred Qualifications • Strong background supporting Azure Virtual Desktop, Citrix, or other DaaS platforms. • Experience with modern device management and zero‑touch deployment strategies. • PowerShell scripting for automation. • Relevant certifications (Microsoft, CompTIA, ITIL). • Experience coaching or mentoring team members. • Fluent in English; Spanish proficiency a plus. Key Competencies • Strong analytical and troubleshooting skills. • Ability to lead projects and drive process improvements. • Customer-focused mindset. • Organized, detail-oriented, and capable of prioritizing multiple initiatives. Base Pay $88,000.00 - $118,000.00 USD Annual Bonus: 20% - 30% #LI-Hybrid The base pay range reflects the minimum and maximum target salary for the position. Invenergy considers a number of factors when determining base pay offers such as the scope and responsibilities of the position and the candidate's experience, education and skills. In addition to base pay, the total annual compensation package may also include eligibility to participate in our bonus program(s) which are designed to reward individual and company performance. Your recruiter can share more about bonus eligibility for this position during the hiring process. Invenergy offers a variety of other benefits including medical, dental and vision insurance, 401k, paid time off, etc. Invenergy LLC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to, among other things, race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a protected veteran, or disability.