Senior Analyst to Manager - Offensive Security

Division: Advisory 

Department: Cyber 

Employment Type: Full Time Permanent 

Application Closing Date: 28 Nov 2025

McGrathNicol is a specialist Advisory and Restructuring firm, helping businesses improve performance, manage risk, and achieve stability and growth.

We are seeking a highly skilled and motivated Senior Analyst to Manager - Offensive Security to join our growing team. This role is ideal for someone with a deep technical background in offensive security, a passion for uncovering vulnerabilities, and a strong understanding of threat actor tactics as well as willing to guide juniors through sharing their knowledge and experience.

You will lead and execute penetration testing engagements across a variety of environments including infrastructure, web applications, cloud platforms, and operational technology (OT). Your insights will directly contribute to strengthening our clients’ security posture and resilience.

We are trusted by our clients and are regularly called upon to support them with complex cybersecurity, data privacy, cyber incident, and forensic technology matters. We are a hands-on team, working closely with our clients to help them plan and execute practical approaches to complex issues. Due to the nature of our work, we are also level-headed, particularly in times of crisis, and help our clients resolve often high-pressure situations.

What you will do

• Lead and deliver advanced offensive security operations, including penetration testing, red team engagements, and threat emulation exercises.
• Provide strategic technical leadership and mentorship to a high-performing team of offensive security consultants, fostering continuous growth, innovation, and excellence.
• Demonstrate deep expertise in enterprise ecosystems, with strong working knowledge of Microsoft 365, Azure, AWS, GCP, and hybrid infrastructures, enabling effective targeting and exploitation strategies.
• Conduct code reviews as part of comprehensive application security assessments, identifying vulnerabilities and advising on secure development practices.
• Collaborate closely with the management to ensure engagements are executed on time, within scope, and to the highest technical and professional standards.
  Act as a senior escalation point during critical engagements, providing expert guidance and decision-making support.

Who you are

• At least 3-5 years of hands-on penetration testing experience.
• Strong knowledge of offensive security methodologies, tools, and frameworks (e.g., MITRE ATT&CK, OWASP, NIST).
• Ability to demonstrate deep technical knowledge on at least 2 of the following areas:
       - Web application and API testing 
       - Mobile application testing 
       - Thick client testing 
       - Internal/External Infrastructure Testing
       - Cloud Security Assessment
       - Red team operations
• Experience with scripting and automation (Python, PowerShell, Bash).
• Familiarity with OT/ICS environments and protocols is highly desirable.
• Certifications such as OSCP, OSCE, SANS, CRTO, or CREST CCT (Applications or Infrastructure) equivalent are a strong advantage.
• Excellent communication skills, both written and verbal.
• Ability to work independently and manage multiple engagements.

What we offer you

At McGrathNicol, you’ll thrive in an empowering environment where your expertise drives real impact. We offer a competitive annual bonus program, alongside exceptional training and career development opportunities. Our inclusive culture fosters growth through personalised mentorship. You’ll also benefit from comprehensive support such as 26 weeks parental leave, additional leave options, employee assistance, health and wellbeing programs, and opportunities for social and community engagement. Join us and be part of a team that values your contributions and supports your success.

Interested?

If you're ready to make a lasting impact and grow your career, apply today to join our dynamic team at McGrathNicol. For more information, please contact our national HR team at HR@mcgrathnicol.com.