Integrations Engineer (HL7 / FHIR)

iO Associates; Dublin; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

iO Associates is seeking an Integrations Engineer (HL7 / FHIR) for a remote-first role with occasional visits to NHS sites in the UK and Ireland. You will lead technical integrations, connecting diagnostic software to hospital systems across the UK and Ireland.

You will work with external IT teams and vendors, ensuring secure data flows via HL7 and FHIR interfaces. Experience with NHS/HSE environments and integration engines is essential.

Qualifications

• Hands-on HL7 v2.x messaging experience.
• Experience delivering integrations within UK or Irish healthcare systems (NHS/HSE).
• Experience integrating PAS/EPR, ADT, RIS/LIMS workflows.

Responsibilities

• Build and maintain HL7 v2 and FHIR interfaces across healthcare deployments.
• Configure transformation, routing, validation, and ACK/NACK workflows.
• Troubleshoot interface and data-flow issues across app, network, and transport layers.
• Set up secure connectivity including site-to-site VPNs, IP whitelisting, and TLS certificates.
• Collaborate with external hospital IT teams and vendors during design, testing and go-live.
• Maintain interface specifications and integration documentation.

Skills

HL7 v2.x messaging

UK NHS experience

FHIR exposure

Hospital systems integration

Tools

Mirth Connect

Rhapsody

Cloverleaf

Job description

Role: Integrations Engineer (HL7 / FHIR)

Location: Remote-First (Occasional UK NHS client sites & Dublin office visits)

A fast-growing HealthTech scale-up is looking for an Integrations Engineer to connect modern diagnostic software directly into hospital systems across the UK and Ireland .

In this role, you will lead the technical integrations for new healthcare deployments, building out connections across EPR, PAS, LIMS, and RIS environments . You will collaborate directly with external hospital IT teams, third-party system vendors, and internal product engineers to ensure clinical data flows securely and reliably .

What you’ll be doing:

• Build and maintain HL7 v2 and FHIR interfaces (including ADT, ORM, ORU, and SIU message types) .
• Configure message transformation, routing logic, validation rules, and ACK/NACK workflows .
• Troubleshoot interface and data-flow issues across application, network, and transport layers .
• Set up secure connectivity within healthcare networks, including site-to-site VPNs, IP whitelisting, and TLS certificates .
• Work directly with external client IT teams and system vendors during interface design, testing, and go-live .
• Maintain clear interface specifications and integration documentation .

What you need:

• Hands-on HL7 v2.x messaging experience .
• Proven track record delivering integrations within UK or Irish healthcare systems (NHS/HSE) .
• Practical experience integrating with hospital systems—such as PAS/EPR for patient demographics and admissions (ADT), or RIS/LIMS for diagnostic order communications (ORM) and clinical results reporting (ORU) .
• Strong grasp of patient identity matching, including NHS numbers and MRN mapping .
• Hands-on experience configuring and supporting secure VPN connections for healthcare data transfer .
• A pragmatic, hands-on mindset suited to a fast-paced scale-up environment .
• Experience integrating with platforms like Epic, MEDITECH, or Oracle Health (Cerner) .
• Hands-on use of integration engines such as Mirth Connect, Rhapsody, or Cloverleaf .
• Exposure to FHIR R4 APIs, NHS Spine, or PDS services .
• Basic familiarity with AWS environments or SRE practices .