Senior Infrastructure Administrator
Expleo Group
full-time
Posted on:
Location Type: Hybrid
Location: Preston • United Kingdom
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Job Level
About the role
- 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
- Managing backups
- Azure / Veeam Client device deployment / patching (Azure Arc / SCCM / WSUS / Intune)
- 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”.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
network administrationswitchingroutingtroubleshootingActive Directorysecurity frameworksaccess control modelsAzure serverMicrosoft 365 architecturedisaster recovery
Soft Skills
mentoringguidingindependent problem solvingcollaborationcommunication
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in EngineeringCCNACCNPCyber Essentials PlusISO27001