Experts in Mission-Critical Recruitment
Calder Search is an AI-native specialist recruitment agency focused exclusively on mission-critical infrastructure. We place highly skilled engineers, project managers, and technical specialists into data centre and renewable energy projects across the UK, US, and Europe.
Our Purpose
Calder Search was founded to solve a problem long-standing in mission-critical recruitment: slow, generic agencies with limited sector knowledge.
We exist to connect the engineers who build and operate the world's critical infrastructure with the companies that need them most — faster and more accurately than any competitor can.


Precision over volume
Only pre-qualified, credential-verified candidates.

Sector depth, not breadth
Specialists in data centres, renewables, EV & grid infrastructure.

Founder-led relationships
Senior recruitment professionals handle every engagement.
How We Deliver Talent Faster and Smarter

AI-Native Sourcing
Access passive candidates traditional recruiters cannot reach

Expert Sector Insight
Every search informed by a deep understanding of project and market needs

Compliance & Credential Verification
HV authorisation, BICSI RCDD, ECS, Security Clearance verified on every search

Global Reach, Single Point of Contact
Seamless cross-border and domestic recruitment, connecting localised, PE-licensed talent across the US Sunbelt, alongside our European operations

Meet Our Founder
Ollie Egbeyemi — Founder & Director
With 15+ years of specialist recruitment experience across data centres, renewables, M&E and construction engineering, Ollie scaled Vox Network Consultants to £10M as Managing Director. He personally managed senior permanent placements and contractor compliance across regulated sectors and maintains a deep network across the UK, US, and European mission-critical markets.
Our Approach
Every client and candidate engagement is handled personally by senior recruitment professionals, not junior resourcers, ensuring quality and speed at every stage.