Senior Red Team Specialist - Path to Tech Lead

Defion; Zoetermeer; Ibrido; EUR 90.000 - 130.000; Tempo pieno

Descrizione del lavoro

DEFION is seeking a Senior Security Specialist to join and grow its Red Team, taking technical ownership from day one and advancing toward the tech lead role. The role is hybrid, requiring at least three days in the office in Zoetermeer.

You will join a team that performs realistic attacker simulations for clients and shapes the team’s growth and capabilities. You will lead engagements, design scenarios, work with AD/Entra ID and cloud targets, develop tooling, mentor colleagues, and partner

Competenze

• Several years of experience in offensive security with infrastructure, AD and cloud testing.
• Demonstrable experience with red team engagements, adversary simulation or assume breach assignments.
• In-depth knowledge of Active Directory, Entra ID and cloud environments (Azure and AWS).
• Hands-on experience with at least one C2 framework (Cobalt Strike, Sliver, Mythic or Havoc).
• Understanding of EDR/detection and how attackers evade them.
• Ability to program or script (Python, C#, Go or PowerShell).
• Technical degree or demonstrable equivalent level.
• Strong communication skills for explaining attack stories to engineers and management.

Mansioni

• Carry out red team engagements and adversary simulations from recon to persistence and objectives.
• Design attack scenarios based on threat actors and MITRE ATT&CK mappings.
• Attack AD, Entra ID and cloud environments and bypass modern detection solutions.
• Translate attack paths into clear reports for SOC and client management; facilitate purple team sessions.
• Apply expertise to assume breach, AD and cloud assessments between operations.
• Develop red team proposition, tooling, and reporting formats; contribute to OPSEC guidelines.

Conoscenze

Offensive security

AD and cloud testing

C2 frameworks

Programming/Scripting

Technical leadership

Communication

Initiative/Build tooling

Threat actor knowledge

Formazione

Technical degree (university of applied sciences or university)

Strumenti

Cobalt Strike

Sliver

Mythic

Havoc

Descrizione del lavoro

DEFION is seeking a Senior Security Specialist to join and grow its Red Team, taking technical ownership from day one and advancing toward the tech lead role. The role is hybrid, requiring at least three days in the office in Zoetermeer.

You will join a team that performs realistic attacker simulations for clients and shapes the team’s growth and capabilities. You will lead engagements, design scenarios, work with AD/Entra ID and cloud targets, develop tooling, mentor colleagues, and partner