Senior Infrastructure Engineer responsible for designing and maintaining network & server infrastructures globally. Collaborating with teams to enhance performance, security, and compliance in UK and international contexts.
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
Maintain high levels of governance and compliance with both internal and external controls. i.e Cyber Essentials Plus and ISO27001
Requirements
Bachelor’s degree in Computer Science, Engineering or a related field
Professional certifications such as CCNA, CCNP (Security, Firewall specialisms highly valued)
Strong background in network administration, switching and routing
Excellent troubleshooting skills with the ability to work independently
Strong grounding in Active Directory and policy management
Knowledge of PAN-OS, SD WAN, Cisco IOS and Extreme Network operating systems
Strong understanding of security frameworks and access control models
Azure server and related services build, configuration and maintenance
Technical knowledge, support, troubleshooting of MS on premises Active directory infrastructure & related services - international scale if possible – (domain controllers, DFS, GPO, replication, etc)
Knowledge of MS Cloud services and relationships with on premises infrastructure (EntraID, AD connect)
Knowledge of Microsoft 365 architecture, support, troubleshooting at least small scale (UK only), ideally international scale.
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”.
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