Systems Administrator

Location: Naperville, Illinois — hybrid role, 3 days per week on site

Type: Full-time, permanent (occasional out-of-hours / weekend work required for scheduled network upgrades)

About the Role

Deciphex is growing fast, and we're looking for a Systems Administrator to join the team, take real ownership of day-to-day IT operations at our Naperville site, and help us move from firefighting to getting ahead of the curve.

You'll be responsible for maintaining and optimising our IT infrastructure, resolving ServiceDesk tickets, and ensuring seamless technical support for employees and partners. You'll work closely with our IT team in Ireland and the UK, and report into a manager who's genuinely looking to develop people as the team grows.

What You'll Be Doing

Systems Administration & Infrastructure Management

Maintain IT infrastructure (servers, networks, communication systems, endpoints) and ensure optimal performance

Install, maintain and configure hardware and software systems according to company policies

Perform routine maintenance, inspection and testing of network and server systems

Maintain and configure Information Security software, managing incidents alongside the Incident Management team

Manage equipment logistics, including incoming/outgoing shipments and asset register maintenance

Work with the accounts team to stock technical equipment and accessories as required

Identify process improvements to reduce recurring IT requests and enhance system efficiency

Assign and monitor tickets, ensuring appropriate prioritisation and escalation

Work with the IT Operations Specialist to rationalise costs and maintain cost-effectiveness across IT services

Build best practices and standards to enhance ServiceDesk excellence and user satisfaction

Support network upgrades and infrastructure changes — sometimes carried out over weekends to minimise downtime

Deliver the IT side of lab projects, including network provisioning for new instrumentation and scanner installations

User Support & Collaboration

Provide end-user technical support (desk-side and remote) to employees, subcontractors and partners

Onboard and offboard staff members, ensuring proper setup and removal of access rights

Configure devices and train new staff members during onboarding

Offer advice, coaching and technical training to associates on effective use of IT resources

Liaise and collaborate with core teams to support overall business goals

Maintain excellent relationships with vendors and third-party service providers

Compliance, Governance & Continuous Improvement

Maintain and enforce IT policies and procedures in line with regulatory, quality and information security standards (e.g., ISO 27001)

Proactively identify opportunities for improvement across systems administration and support functions

Ensure all activities align with company policies, IT governance and security best practices

What We're Looking For

Bachelor's degree (or higher) in Computer Science, Information Technology, or a related field

3+ years of professional IT experience in systems administration or IT operations

Proven experience managing enterprise LAN/WAN networks and infrastructure

Skilled in administration of Office 365 and/or Google Workspace platforms

Experience with NAS storage systems, routers, firewalls and VPN configuration

Experience with Cisco/Meraki networking

Knowledge of routing, VLANs and network infrastructure (training will be provided)

Experience in an ISO 27001-certified environment is highly desirable

Proficient in configuration, troubleshooting and maintenance of hardware and software systems

Familiarity with ITSM tools, ticketing systems and performance reporting

Strong understanding of IT policies, SLA development and incident management processes

Experience managing Google Workspace Enterprise or equivalent systems is a distinct advantage

Why Join Us

Across the IT team, you'll have real autonomy, we hire people we trust to get on with the job, not people we watch over. Things break, and when they do, you're the one who fixes them; that's how you learn fastest. There's no blame culture here, just a team that backs each other and genuinely enjoys solving the puzzle. If you love fixing things and want a role with variety, ownership and a clear path to grow, we'd like to hear from you.

About the Company

Diagnexia , a subsidiary of Deciphex: Accelerating Certainty and Pioneering Pathology Services.

Diagnexia , a leading provider of pathology services, operates as a subsidiary of the parent company, Deciphex.

Established in Dublin in 2017, Deciphex has rapidly expanded to become a global team of over 230 professionals, offering innovative software solutions to address the pathology gap in both research and clinical areas. With a mission to accelerate the drug development process and provide timely, accurate diagnoses for cancer patients, Deciphex has established a strong presence through its offices in Dublin, Exeter, Oxford and Chicago.

As part of the Deciphex family, Diagnexia leverages its expertise to provide cutting-edge diagnostic solutions to healthcare organizations worldwide. Our cloud-based platform enables hospitals to easily and rapidly send cases for a consultation to our team of expert subspecialists. We are dedicated to improving patient outcomes and helping healthcare organisations stay at the forefront of the industry.

We are software developers, clinical specialists, AI engineers, operations professionals and so much more, all working as one team to support our customers and patients. Our team culture is built on trust. We give our team the space they need to deliver results and the environment to ensure they can enjoy doing it.

We are looking for highly motivated individuals who are excited to take on challenges and value making a difference in their day-to-day work. This is a unique opportunity to make a difference in the emerging Digital Pathology field.

What are the benefits of working with Diagnexia ?

Healthcare benefits

Competitive paid time off

A true sense of meaning in your work by contributing to better patient outcomes.

The opportunity to work alongside a world-class high performing team in a hyper-growth startup environment.

A chance to work on exciting, challenging and unique projects.

Regular performance feedback and significant career growth opportunities.

A highly collaborative and supportive multi cultural team.

Diagnexia is an equal opportunities employer and we are committed to the principle of equality. All qualified applicants will be considered for employment without regard to age, race, religious beliefs, political views, gender identity, affectional or sexual orientation, national origin, family or marital status (including pregnancy), disability, veteran status, membership of the travelling community or any other classification protected by applicable law.