Infrastructure specialist / IT Security engineer 885

Interface Recruitment UK; Leeds; On-site; GBP 55,000 - 65,000; Full time

Job summary

A leading recruitment firm is seeking an Infrastructure / IT Security specialist for global O365 and security initiatives. Ideal candidates have 5+ years in IT, excellent knowledge of server and network environments, and strong IT security skills. This role offers a competitive salary of up to £65,000 and benefits including holiday and pension contributions.

Benefits

23 days holiday + 5 optional days

Pension with 2.5% match

Life assurance

Group income protection plan

Monthly socials and parties

Qualifications

• 5+ years of IT experience, ideally in infrastructure or security.
• Excellent knowledge of core IT services and applications.
• Hands-on experience with security technologies and processes.

Responsibilities

• Support and monitor existing infrastructure and perform maintenance.
• Manage and implement infrastructure projects.
• Respond to Help Desk calls and manage escalations.

Skills

Windows Servers

Active Directory

Email Platforms

Networking

VM environments

IP networks

Infrastructure best practices

ITIL

SQL Server

Microsoft 365 Security

Education

Degree preferred

Tools

Microsoft 365

Cisco

VMware

Job description

Job Title

Infrastructure / IT Security specialist – Enterprise client (major O365 and security projects on a global scale)

Key Information

• Salary: up to £65,000
• Education: Degree preferred or commercial exposure (none required)
• Experience: 5+ years
• Industry: Technology
• Location: Horsforth, Leeds
• Work Hours: 37.5 hours per week

Benefits

• 23 days holiday (rising with years of service) & 5 optional additional days
• Pension: 2.5% salary match, plus optional voluntary contributions
• Life assurance
• Group income protection plan (optional health assurance)
• Personal accident scheme
• Free car parking
• Monthly socials, expenses covered, Christmas party, Summer BBQ

Requirements

• Education: ideally a degree; commercial experience a must
• Experience: Office 365 at intermediate to advanced level
• Industry: any accepted; preferably professional services
• Job Location: Leeds LS1 4AP
• Qualifications: none required
• Work Hours: 37.5 hours per week

Skills

• Excellent knowledge of Windows Servers, Active Directory, Email Platforms, Anti‑Virus Systems, Networking, and VM environments
• Extensive knowledge of IP networks and multi‑platform server environments
• Experience maintaining Exchange 2013, SQL Server, Symantec Enterprise Protection, and Backup Exec
• Infrastructure best practices
• Understanding of ITIL

Principal Duties, Responsibilities & Accountabilities

Responsibilities

• Support and monitor existing infrastructure, perform preventative maintenance, backup, and other support tasks to maintain effectiveness and provide cover as needed.
• Plan, manage, and implement infrastructure projects and upgrades to meet company objectives.
• Respond to 2nd/3rd line Help Desk calls and manage 3rd line work requests through to resolution or escalation.
• Ensure security of data and IT systems, and educate staff on secure working practices.
• Collaborate with leaders and stakeholders to integrate newly acquired businesses such as mergers / acquisitions.
• Coordinate with external suppliers for ongoing support and maintenance of hardware, networks, and software.
• Ensure all work and changes minimize disruption to business use and participate in change management.
• Maintain infrastructure asset records and design/document processes, procedures, and standards.
• Keep users updated on progress and liaise regarding escalated issues, establishing appropriate priorities.
• Ensure technology is managed and supported in accordance with standards, policies, and procedures.
• Establish guidelines and document processes for networked applications across the business.
• Collaborate with the Global IT team on global initiatives and roll‑outs.
• Assist with office moves, changes, provisioning new systems, and troubleshooting arising issues.
• Note that duties may vary and change due to the nature of the IT environment.

Network

• Support and monitor internal networks and links to regional offices, other sites, or the Internet, ensuring proper configuration and operation.
• Maintain and manage company firewalls.
• Manage wired and wireless networks, including problem resolution and change requests.
• Support physical security systems under IT team responsibility.
• Collaborate with the infrastructure team to continuously improve global infrastructure to meet business needs.

Servers

• Regularly check logs and servers to ensure proper patching and address issues.
• Test and roll out updates, especially security updates.
• Ensure adequate backups are maintained both on‑site and off‑site, and routinely test backup and restore procedures.

Core Technical Experience

• Hands‑on IT infrastructure specialist with 3+ years of experience.
• Excellent IP network skills, including switches, wireless, routing protocols, and VoIP; Cisco experience an advantage.
• Experience with SQL Server or SharePoint, Windows Server 2008/2012, Remote Desktop Services, Active Directory in corporate environments.
• Knowledge of email systems, mail domain delivery routing.
• Hands‑on experience on LAN, WAN, VPN, and HP technologies.
• Experience managing core IT applications: email, anti‑virus, systems management, software deployment, user provisioning, patch management.
• Experience managing enterprise‑level email systems.
• Project management experience in IT projects and integration projects covering email, file access, domain membership, and user migration.
• Strong IT security knowledge, including firewalls, IDS/IPS, Active Directory, DNS, file sharing, and web server configuration.
• Experience in virtualised environments (VMware), SAN technologies, and web technologies such as IIS, .NET, SSL‑VPN, token authentication.
• Working knowledge of firewall and security technologies.

IT Security (Additional Responsibilities)

• Develop/enhance security policies, processes, procedures, and technical controls.
• Identify security risks, mitigations, and opportunities to strengthen resilience.
• Participate in design and implementation of compliant systems and applications.
• Assist with security incident management and response.
• Collaborate with IT team on technical issue resolution, deployment best practices, and adoption processes.
• Maintain Microsoft 365 security solutions (Azure Information Protection, DLP, Rights Management, Cloud App Security).
• Implement information classification, data loss prevention, and information asset registers.
• Provide technical guidance for Microsoft Cloud Security solutions (OneDrive, Teams, Outlook).
• Analyze information security risk and non‑compliance issues.
• Monitor, enhance, and report on security posture with dashboards and management information.
• Leverage cyber threat intelligence for proactive risk mitigation.

Additional Security Skills

• Develop and enhance security policies, processes, and technical controls.
• Proactively identify and mitigate security risks.
• Participate in secure design and implementation of systems.
• Assist with incident management and response.
• Share technical resolution knowledge and best practices.
• Manage Microsoft MFA and endpoint security.
• Maintain Thycotic PAM environment.
• Maintain IT risk register.
• Analyze risk and non‑compliance.
• Review system audit logs and ensure mitigation.
• Test disaster recovery plans.
• Develop and test business continuity plans.