Senior Infrastructure Consultant in Newbury

Title: Infrastructure Senior Consultant

Job Location: Newbury,

Hybrid: 2 days office, 3 days from home.

Rate: £400 (per day) and the duration is from Dec\’25 to Mar\’26

Must have SC clearance

Job Description: OS Hardening & Impact Assessment

Role Summary

Responsible for securing servers (primarily Linux/Unix, with some Windows) by applying hardening standards through manual configuration and script-based automation. Requires strong OS knowledge, troubleshooting skills, and the ability to assess and mitigate risks during configuration changes, including GPO-related changes.

Responsibilities

• Modify and adapt PowerShell and Shell scripts for environment-specific needs.

• Analyze the impact of configuration changes and perform rollbacks when necessary.

• Collaborate with security and infrastructure teams to ensure compliance.

• Lead troubleshooting and rollback strategies during incidents.

• Create Implementation and roll back plans (Change Management)

Required Skills

• Deep knowledge of Linux/Unix internals (kernel parameters, services) and Windows OS.

• Strong troubleshooting skills for complex issues.

• Basic scripting skills (PowerShell, Bash).

• Ability to assess risks and validate changes before implementation.

• Experience in infrastructure-level impact analysis.