Senior Cloud & Infrastructure Engineer
Staffline Recruitment Ireland
Job description
Role: Senior Cloud & Infrastructure Engineer
Location: Aghalee (base location, occasional travel)
Salary: £45,000 - £55,000 per annum
Hybrid working
About the Role
We're looking for a hands-on Senior Cloud & Infrastructure Engineer to take ownership of core infrastructure and lead cloud-first projects. You'll be the go-to escalation point for complex incidents, networking, and security, while delivering solutions across AWS and Microsoft 365 environments. This role combines deep troubleshooting expertise with project delivery and a strong focus on security-by-design.
Key Responsibilities
- Design and operate secure AWS environments (EC2, VPC, IAM, Load Balancing, Auto Scaling)
- Implement Microsoft Intune and Entra ID (Azure AD), including SSO and Conditional Access
- Manage enterprise networking: VLANs, VPNs, firewalls, SD-WAN, and zero trust principles
- Harden Windows Server and Active Directory environments
- Support Microsoft 365 collaboration tools (SharePoint, OneDrive, Teams)
- Deploy and maintain VoIP solutions and QoS for voice traffic
- Own backup and disaster recovery strategies across on-prem and cloud
- Act as L3 escalation for complex incidents and drive root cause analysis
- Automate tasks using PowerShell and contribute to infrastructure-as-code initiatives
What We're Looking For
- 5+ years' experience in enterprise IT with L3 support and networking responsibilities
- Expertise in AWS (EC2, VPC, IAM), Windows Server/AD, Intune/Entra ID
- Strong networking and security skills (routing, VPNs, firewalls, IDS/IPS)
- Hands-on experience with VoIP deployments and Microsoft 365 administration
- Solid understanding of cybersecurity best practices
- Excellent troubleshooting and documentation skills
Desirable
- AWS or Microsoft certifications
- Networking/security certifications (e.g., CompTIA Security+)
- Familiarity with automation and scripting (PowerShell, Python)
Applicants must be based in Northern Ireland with full rights to work unrestricted.
Please contact Ellen at Staffline for more details.
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