Infrastructure Administrator I

What if the work you did every day kept an entire engineering firm running?At HR Green, our IT team is the backbone of everything we do. From the engineers designing bridges to the planners shaping communities, they all depend on reliable infrastructure to do their best work. That's where you come in.We're looking for an Infrastructure Administrator I to join our IT team and grow into a critical role supporting our enterprise environment. This is a hands-on, learn-by-doing position, and it's built for someone who's ready to dig in, ask good questions, and take real ownership over time.Why this role is worth your attentionThis isn't a helpdesk job with a fancy title. You'll be working across a broad, enterprise-grade infrastructure stack, covering everything from networking and servers to cloud platforms and security. You'll start by learning the environment, then take on real responsibilities, and over time, own critical systems yourself.What you'll be doingYou'll work across a wide range of infrastructure areas, including:LAN/WAN networking, routers, switches, and UPS devicesWindows and ESX server environments, including email, Active Directory, file, and print serversCitrix XenDesktop and VMware virtualization platformsMicrosoft SQL Server and associated applicationsMicrosoft Azure, Office 365, Exchange Online, and SharePoint OnlineAuthentication and authorization systems, including Active Directory, SSO, Azure AD, ADFS, and MFAEnterprise storage, backup, and recovery infrastructureNetwork, server, and workstation security, including firewalls and intrusion detectionMobile Device Management (MDM) systemsInfrastructure monitoring and batch scriptingDay-to-day, you'll be:Troubleshooting and resolving escalated Service Desk ticketsSupporting workstation imaging, distribution, and inventory trackingManaging hardware, software, and firmware upgrades across platformsPerforming server and network security auditsDocumenting infrastructure configurations and developing support proceduresAssisting with capacity planning, system monitoring, and performance reportingSupporting IT infrastructure projects alongside the IT ArchitectProviding overflow phone/queue support for the Service Desk when neededThere will be an on-call rotation shared across the IT team, along with occasional after-hours work for planned changes. Travel between offices is expected at about 10 to 15%, with rare visits to the data center as needed.You might be a great fit if...You're a natural troubleshooter who enjoys figuring out why something isn't workingYou want a role where the scope grows as you doYou communicate well, both with technical colleagues and with non-IT staff who just need helpYou take pride in building reliable systems, not just putting out firesYou're comfortable being on-call and know that critical infrastructure doesn't follow a 9-to-5What you bringBachelor's degree in an IT-related field, or equivalent work experience3+ years of IT support or network-related experienceFamiliarity with Windows workstation and server environments (Windows 7/10 and Server 2008 through 2019)Hands-on hardware troubleshooting experienceStrong verbal and written communication skillsSolid analytical and problem-solving instinctsValid driver's license for occasional travel between officesPreferred, but not required:Networking training or experience (CCNA, Network+)A+ or Microsoft MCITP certificationVMware experienceWhy HR GreenOur people are the heart of our success. We're ranked No. 168 on Engineering News-Record's Top 500 Design Firms list in 2025 and recognized as a Best Place to Work, and we've earned that by building a culture where employees feel supported, challenged, and valued.We offer a comprehensive total rewards package, including:Employee ownership opportunitiesHybrid and flexible work schedulePerformance-based bonus programTraditional and Roth 401(k) with immediate vesting of employer matchTuition reimbursement for continued learningTwo paid volunteer days per yearMedical, dental, and vision coverageParental leaveFitness membership reimbursement and onsite gymErgonomic workstation setup and covered parkingVisit our website for detailed total rewards information: https://www.hrgreen.com/careers/total-rewards/If you're ready to grow your career in a place where your work actually matters, we'd love to connect.This job description is not exhaustive. The job holder may be required to follow any other instructions and to undertake any other duties requested by their supervisor. HR Green reserves the right to change this job description.Compensation Range$74,000.00 - $115,000The expected compensation range for this position is displayed in accordance with the Minnesota Omnibus Labor and Industry Policy Bill Article 7 Section 2. The final agreed-upon compensation is based on a number of factors, including but not limited to: individual education, qualifications, skills, prior work experience, competencies, and geographic work location. The total annual compensation package may consist of a base salary and eligibility to participate, after a qualifying period, in our performance and discretionary incentive bonus program(s).The expected compensation range for this position is displayed in accordance with the Minnesota Omnibus Labor and Industry Policy Bill Article 7 Section 2 and the Illinois Salary Transparency amendment to the Equal Pay Act of 2003. The final agreed-upon compensation is based on a number of factors, including but not limited to: individual education, qualifications, skills, prior work experience, competencies, and geographic work location. The total annual compensation package may consist of a base salary and eligibility to participate, after a qualifying period, in our performance and discretionary incentive bonus program(s).HR Green is proud to be an affirmative action/ equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or other classification protected by applicable federal, state or local law.