Onsite Hardware Engineer (L2/3)

🚨 Please note: Active UK SC Clearance is mandatory for this role. Applications from candidates without active SC Clearance cannot be considered.

CDW is recruiting for an experienced Onsite Hardware Engineer (L2/3) to support critical infrastructure systems at a major customer site in Southampton. This is a hands-on engineering role focused primarily on hardware diagnostics, maintenance, and repair across a diverse range of enterprise and legacy platforms supporting a highly critical operational environment.

Working within the onsite CDW workshop and across multiple machine rooms, you will play a key role in maintaining the performance, reliability and availability of essential IT infrastructure.

What You'll Be Doing

• Providing onsite hardware support for enterprise infrastructure and bespoke systems.
• Diagnosing, repairing and maintaining IBM Mainframes, tape systems, storage arrays and server platforms.
• Supporting legacy and modern hardware including PCs, printers and custom-built systems.
• Applying electro-mechanical repair techniques and soldering skills to specialist equipment.
• Troubleshooting and resolving hardware faults within critical operational environments.
• Building strong relationships with customer stakeholders and attending technical meetings.
• Following and improving documented processes and contributing to technical knowledge sharing.
• Working independently while collaborating with wider engineering and support teams.

What We're Looking For

Essential Experience

✅ Hardware repair and maintenance experience within enterprise environments

✅ Knowledge of one or more of the following

• IBM Mainframes (9672, 2003, 2066, 2096)
• IBM Tape Systems (3490, VTS, 3590)
• EMC DASD Storage
• STK DASD Storage

• ✅ Strong fault-finding and troubleshooting skills
• ✅ Experience working within critical or high-availability environments
• ✅ Excellent communication and customer-facing skills

Desirable Experience

• IBM PSeries Servers
• HP ProLiant Servers
• Dell and Sun Server platforms
• PC hardware repair and custom builds
• Dot Matrix and Laser Printer support
• Electro-mechanical repair experience
• Soldering and component-level repair skills
• AIX, HP-UX or related infrastructure knowledge

Technologies & Equipment Supported

Enterprise Infrastructure

• IBM Mainframes: 9672, 2003, 2066, 2096
• IBM Tape Systems: 3490, VTS, 3590
• EMC DASD Storage
• STK DASD Storage
• IBM PSeries Servers
• HP ProLiant Servers
• Dell and Sun Servers

Client Devices

• Lenovo ThinkStation
• IBM PS2
• Dell, HP, Compaq and Sun PCs
• Custom-built systems
• Dot Matrix and Laser Printers

CDW is committed to being an AI-fluent organization

We’re looking for people who bring curiosity, a learner’s mindset, and a willingness to engage with ever-evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances—not replaces—human creativity and decision-making. You don’t need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work.

Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that’s curious, adaptive, and ready to explore what’s possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.

About Us

CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what’s possible through technology. What makes CDW different isn’t just what we do—it’s how we do it. At CDW we act as one—building trust, speaking candidly, and working together to achieve more. We play to win—focusing on what matters most and delivering for our customers. And we think forward—staying curious, moving fast, and continuously learning. We believe meaningful work happens when people feel supported, heard, and empowered to contribute. That’s why we think of ourselves as coworkers, not just employees—working together to solve complex challenges and deliver real impact for our customers and communities.

As a full‑stack, full‑lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a collaborative environment where your work matters, your growth is supported, and your contributions help shape what’s next.

Together, we deliver the full promise of what technology can do. Together, we Make Amazing Happen.

CDW is an equal opportunity employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law.