Senior Security Consultant

Harnham Ltd; London; Remote; GBP 60,000 - 85,000; Full time

Job summary

A fast-growing software company is seeking a Senior Security Consultant to enhance its security architecture and advise on strategic initiatives. The ideal candidate will have proven experience in security consultancy, excellent understanding of cloud security (AWS), and strong communication skills to engage senior stakeholders. The role offers an opportunity to lead significant security projects in a flexible environment over a contract length of 3 months.

Qualifications

• Proven experience in senior security consultancy or architecture roles.
• Strong understanding of cloud security and threat detection.
• Familiarity with security frameworks (NIST CSF, ISO 27001).

Responsibilities

• Review existing security architecture, tooling, and processes.
• Deliver a gap analysis and propose a strategic roadmap.
• Advise on cloud security, tooling, and DevSecOps practices.

Skills

Cloud security (AWS)

SOC design

Communication skills

Tools

SIEM

SOAR

EDR

Job description

Senior Security Consultant
Location: Remote
Contract Length: 3 Months

Overview

A fast-growing software company is seeking a Senior Security Consultant to review its current security estate and advise on the design of a scalable security function. You'll work closely with senior stakeholders to define strategy across teams, cloud environments, SOC operations, red teaming, and security tooling. They are looking for a leader with clear experience supporting smaller, calling software or SaaS providers.

Key Responsibilities

Review existing security architecture, tooling, and processes

Deliver a gap analysis and propose a strategic roadmap

Define operating models for SOC, red teaming, and internal security ownership

Advise on cloud security (AWS/GCP), tooling (SIEM, SOAR, EDR), and DevSecOps practices

Engage senior stakeholders to align security recommendations with business goals

Required Skills & Experience

Proven experience in senior security consultancy or architecture roles

Strong understanding of cloud security (AWS), SOC design, and threat detection

Familiarity with security frameworks (NIST CSF, ISO 27001) and red teaming approaches

Excellent communication skills with ability to influence technical and executive stakeholders

Preferred Background

Experience in software or SaaS environments

Previous consulting/advisory roles

Technical background in engineering, penetration testing, or security operations

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