Senior Infrastructure Administrator

Are you ready to shape the future of secure network and server infrastructure across a global organisation? At Expleo, we’re expanding our UK Infrastructure Team and looking for a skilled Senior Infrastructure Engineer who thrives in a hands-on technical environment. If you’re passionate about designing resilient networks, solving complex challenges, and playing a critical role in large-scale technology operations, this is the opportunity for you.

What’s in It for You?

• High-impact work supporting secure, enterprise-levelservers &networks across UK and global teams
• A role where your expertise directly influences network & server performance, resilience, and security
• Opportunities to collaborate with talented engineers across Expleo’s global 3-tier network structure
• Real ownership of architecture, troubleshooting and continuous improvement initiatives
• A culture built on collaboration, innovation and professional growth
  
  

Responsibilities

• Design, deploy, and maintain functional LAN, WLAN , WAN & server infrastructure environments
• Configure and install network devices, servers, routers and supporting technologies
• Monitor network integrity, performance and security across multiple UK sites and assist colleagues across different geographies when required
• Troubleshoot complex issues escalated by the team and independently resolve them
• Implement and automate network tasks to improve efficiency
• Mentor and guide team members on technical topics
• Develop, test and oversee security solutions—including authentication and disaster recovery
• Maintain full documentation of all systems, configurations and processes
• Identify areas for optimisation relating to capacity, scalability and performance
• Maintain strong level of technical security for UK network & server infrastructures, participate in vulnerability assessments, remediations, security audits, prepare and provide evidence if required

Benefits

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges 
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects  
• Always working as one team, our people are not afraid to think big and challenge the status quo 
• As a Disability Confident Committed Employer we have committed to:
• Ensure our recruitment process is inclusive and accessible
• Communicating and promoting vacancies
• Offering an interview to disabled people who meet the minimum criteria for the job
• Anticipating and providing reasonable adjustments as required
• Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people
  

“We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”.

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive