Senior AWS Cloud Security Engineer – On‑Site Manchester

InvestedintheMission; Manchester; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Private medical insurance

Pension contributions

Equity participation

Job summary

Mark43 is seeking an AWS Cloud Security Engineer to join our team in Manchester. You will own vulnerability and threat management for an environment supporting law enforcement and emergency services, working closely with a US-based Cybersecurity team.

This is a hands-on role with on‑site security presence in the Manchester office. You’ll run the vulnerability program, respond to incidents, and help harden AWS configurations.

Qualifications

• Minimum of 5 years of experience in cybersecurity with a focus on vulnerability management, threat research, and cloud security.
• Experience with cloud environments, particularly AWS, and familiarity with vulnerability scanners, endpoint protection, and SIEM tooling.

Responsibilities

• Run end-to-end vulnerability management across cloud infrastructure, networks and applications with prioritization by risk.
• Research emerging threats and translate intelligence into actionable guidance on patches and hardening.
• Lead security incident responses, triage and contain issues, coordinate with the Cybersecurity team, and document post-incident reviews.
• Review AWS security configurations and harden controls per best practices.
• Provide on-site IT support in the Manchester office and assist with day-to-day needs as the security presence.
• Participate in on-call rotations to respond to incidents outside office hours.

Skills

Vulnerability management

Threat research

Cloud security

AWS

Incident response

SIEM

On-site IT support

Tools

Vulnerability scanners

Endpoint protection

Job description

Mark43 is seeking an AWS Cloud Security Engineer to join our team in Manchester. You will own vulnerability and threat management for an environment supporting law enforcement and emergency services, working closely with a US-based Cybersecurity team.

This is a hands-on role with on‑site security presence in the Manchester office. You’ll run the vulnerability program, respond to incidents, and help harden AWS configurations.