Senior Cyber Security Consultant (offensive)

Amaris
Barcelona, Spain
3 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Remote
Barcelona, Spain

Tech stack

Microsoft Active Directory
Amazon Web Services (AWS)
Azure
Cloud Computing
Computer Security
Python
Powershell
Azure
Red Team (Cyber Security)
Scripting (Bash/Python/Go/Ruby)
Google Cloud Platform
Mitre Att&ck

Job description

  • Plan and execute full-spectrum Red Team operations, from initial access to data exfiltration, emulating advanced persistent threats in real-world scenarios.
  • Develop and deploy custom attack tools and payloads to test the resilience of modern security architectures across on-prem, hybrid, and cloud environments.
  • Design and run sophisticated attack scenarios in collaboration with internal Red and White Teams to challenge blue teams and uncover critical security gaps.
  • Deliver actionable technical reports and executive briefings that clearly link findings to business risk and drive effective remediation strategies.
  • Partner with engineering and security teams to advise on mitigation, validate fixes, and strengthen organizational defenses.
  • Lead innovation in offensive techniques by researching new attack vectors, automating tradecraft, and staying ahead of defensive technologies.
  • Present results to technical leads and executives, actively participating in governance and post-engagement remediation discussions.
  • Support broader cybersecurity initiatives, including threat research, security uplift programs, and internal training-when not conducting live operations., Join our dynamic team of talented individuals and experience a world of growth and opportunities. Here's what we offer:
  • Grow rapidly with a tailored career path and regular salary evaluations-70% of our senior leaders started at entry level.
  • Enhance your skills through our Tech Academy, Udemy for Business, language training, webinars, and hands-on workshops.
  • Take charge of your development with an annual personal training budget and company-paid certifications (e.g., OSCP, OSCE, CRTO, CREST, etc.).
  • Enjoy flexible work policies, including remote work options and hybrid models.
  • Benefit from comprehensive social perks: private health insurance, restaurant & transit tickets, kindergarten support, and more.
  • Rely on our WeCare program, providing support during personal or professional challenges.
  • Unleash your full potential, both professionally and personally, in a culture that values innovation, ethics, and technical excellence.

Requirements

  • 4+ years of hands-on Red Team experience in complex, highly regulated environments with a proven track record of high-impact offensive operations.
  • Deep technical expertise in adversary emulation frameworks such as MITRE ATT&CK, Cobalt Strike, Sliver, or Mythic.
  • Proficiency in scripting and development using Python, PowerShell, or Go to build custom tools, payloads, and resilient C2 infrastructure.
  • Demonstrated ability to evade modern defenses, including EDR, endpoint protection, and network detection systems, ensuring stealth and operational resilience.
  • Practical experience in cloud and identity offense, targeting cloud control planes (AWS, Azure, GCP) and identity systems (e.g., Active Directory, Azure AD) for persistence and escalation.
  • Strong communication skills in English, with the ability to deliver clear technical reports and executive summaries, and present findings to both technical and C-level stakeholders.
  • Autonomy and initiative-you thrive in independent, high-pressure environments with strong OPSEC discipline and creative problem-solving skills.
  • Passion for offensive security: continuously researching emerging threats, developing novel tradecraft, and mentoring others in the art of ethical hacking.

About the company

Take your career to the next level with Amaris Consulting as a Senior Red Team Operator. Become part of an international team, thrive in a global group with €800M+ turnover and 1,000+ clients worldwide, and operate in an agile, innovation-driven environment by planning the kickoff and follow-up on high-impact cybersecurity projects. Join Amaris Consulting, where you can develop your potential and make a difference within a company that empowers offensive security excellence.

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