Cyber Security Offensive Specialist

DAC Beachcroft

Cyber security specialist strengthening DAC Beachcroft’s international law-firm defences. Conducting penetration tests, red-team exercises, and vulnerability assessments across enterprise and cloud environments.

Posted 9/3/2026full-timeBristol • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in penetration testing, red team exercises, and vulnerability assessment across various environments, including cloud platforms and enterprise systems. Proficient in developing custom scripts and producing technical reports while effectively communicating risks to diverse stakeholders.

Highest-signal resume keywords

Penetration TestingRed Team ExercisesVulnerability AssessmentOffensive Security ToolingTechnical Reporting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Penetration TestingVulnerability ExploitationScript DevelopmentCloud Security AssessmentAPI Security TestingWeb Application SecurityActive Directory SecurityRisk ManagementThreat Actor TacticsAutomation Using Python

Soft Skills

Excellent Communication SkillsAnalytical MindsetProactive LearningCollaborationIntegrity

Tools & Technologies

Burp SuiteMetasploitCobalt StrikeNmapBloodHound

Certifications & Qualifications

OSCPCRTOCWEECEHCompTIA Security+CISSPCISM

Industry Keywords

Cyber SecurityOffensive SecurityRed TeamingEnterprise SecuritySecurity Standards

Tech Stack

Tools & technologies

C++CloudCyber SecurityJavaPython

About the role

Key responsibilities & impact

Plan and execute authorised penetration tests across internal and external networks, systems, applications, and cloud environments
Conduct red team exercises simulating real-world attack scenarios to evaluate people, processes, and technology controls
Research and emulate emerging threat actor tactics, techniques, and procedures
Develop and customise scripts, tooling, and exploits for offensive security engagements
Assess cloud platforms, APIs, web applications, third-party integrations, and enterprise infrastructure
Produce technical reports and present findings to technical and non-technical stakeholders
Collaborate with IT, Cyber Security, and business teams to prioritise remediation and enhance security controls
Partner with defensive security teams to strengthen detection and response through knowledge sharing and attack simulations
Support development of security standards, policies, and hardening practices informed by offensive security insights

Requirements

What you’ll need

Hands-on penetration testing experience across networks, infrastructure, web applications, APIs, and cloud platforms
Experience planning and executing red team or adversary simulation exercises
Strong understanding of identifying and exploiting vulnerabilities across Active Directory, cloud environments, applications, and enterprise systems
Experience using Burp Suite, Metasploit, Cobalt Strike, Nmap, BloodHound, and related offensive security tooling
Ability to develop custom scripts and automation using Python, Java, C#, or C++
Experience producing clear technical reports and communicating risk effectively to varied stakeholder groups
Experience working within a corporate or enterprise environment where operational impact and risk management are critical considerations
One or more of the following certifications would be advantageous: OSCP, CRTO, CWEE, CEH, CompTIA Security+, CISSP, or CISM
A degree in Cyber Security, Computer Science, Information Technology, or a related discipline would be beneficial
Strong analytical mindset and passion for uncovering vulnerabilities
Excellent communication skills
High levels of integrity, professionalism, and accountability when working with sensitive information and systems
Proactive approach to learning and staying current with emerging threats and security research
Ability to work independently while building collaborative relationships across teams

Benefits

Comp & perks

Inclusive and accessible recruitment process
Reasonable adjustments available at any stage, including application, assessment, and interview process
Confidential recruitment support via recruitment@dacbeachcroft.com