IT System Administrator (m/f/d)

Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

We say HI* – welcome to the Thales team! *Human Intelligence

Thales in Switzerland is part of a globally leading technology group in the fields of digital identity and security, aerospace, defense and security, as well as training and simulation. In a world full of uncertainty, we ensure that our customers, partners, and employees can move forward with confidence and security. For a future we can all trust.

Say HI* – to your career as
IT System Administrator (m/f/d)

(Ref. No. R0323587)
Location: Aarau (Aargau) #LI-HYBRID

In Aargau, you will support Swiss banks and financial institutions in providing their customers with secure and reliable card solutions for digital and physical transactions. This includes a comprehensive range of innovative card solutions made from more sustainable materials, as well as metal cards, biometric cards, and cards with voice support. In addition to our wide range of services related to traditional cards, we also offer a broad selection of digital services for banking and payment solutions. Become part of the Thales expert team, a market leader in Switzerland and worldwide, delivering secure, innovative, and sustainable payment solutions. We look forward to meeting you!

Your Mission

• Operate, monitor, and maintain ICT services across complex, heterogeneous environments

• Diagnose and resolve complex incidents, initiating escalations and fallback procedures when needed

• Execute and validate recovery, restart, and restore processes to ensure system availability

• Monitor system performance and workload, and implement tuning and optimization measures

• Enforce information security standards and manage data backup processes

• Drive and support IT infrastructure projects, including migrations, upgrades, and expansions

• Support users and development teams, maintain system documentation, and deliver 2nd/3rd level support

What We Are Looking For

• Bring a completed qualification in IT system engineering or platform development, along with at least 2 years of experience in complex IT environments

• Apply strong expertise in virtualization technologies (VMware, Hyper-V) and solid knowledge of networking, firewalls, and IDS management

• Adapt flexibly to changing assignments and operational demands

• Demonstrate quick comprehension, resilience, and the ability to work independently with strong communication and execution skills

• Act with a customer-focused, proactive mindset, collaborate effectively in teams, and communicate confidently in German and English

What You Can Expect at Thales DIS Switzerland AG

• Flexible, part-time models to support work-life balance

• Flexible vacation options, including the possibility to purchase additional leave

• Paid premiums for accident and daily sickness insurance

• Optional savings plans for occupational pension schemes

• Employee share program “Sharing Thales”

• Corporate health management with regular initiatives

• Extensive training opportunities via the Thales Learning Hub

• Benefits platform with employee discounts

Say HI* – Your Way to Us

For our 83,000 employees in 68 countries, we open up forward-looking perspectives, enable individual career paths, and provide creative freedom. We achieve this through courage, diversity, and a strong commitment to making the challenges of our time safer and more inclusive. With our sustainable and values-driven leadership culture, we actively promote diversity.

When the signs point to change, our international teams are ready to meet today’s complexity with tomorrow’s industry-leading technologies. Are you in?

Camilla Christovam
Talent Acquisition Partner #LI-CC1

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!