Staff Security Engineer – Offensive Security / Purple Team

Blue Yonder; Dallas (TX); Remote; USD 136,000 - 152,000; Full time

Job summary

Blue Yonder is looking for a skilled Staff Security Engineer specializing in Offensive Security to lead threat emulation and enhance cyber defense capabilities. This remote position involves collaborating with cross-functional teams to identify security gaps, mentor junior engineers, and contribute to continual improvement in detection and response.

Benefits

Comprehensive Medical, Dental and Vision

401K with Matching

Flexible Time Off

Corporate Fitness Program

Qualifications

• 7+ years of hands-on cybersecurity experience, 4+ years in offensive security.
• Expertise with adversary simulation frameworks (e.g., MITRE ATT&CK).
• Knowledge of Windows, Linux, and cloud attack vectors.

Responsibilities

• Design and execute threat emulation scenarios.
• Lead purple team exercises to validate detection capabilities.
• Develop and refine threat detection rules.

Skills

Cybersecurity

Adversary simulation

Scripting in Python

Collaboration

Communication

Job description

Location: US Remote

Synonymous Business Title (s): Staff System Engineer

Overview:

Blue Yonder is a global leader in digital supply chain software solutions. We empower businesses to optimize their supply chains with AI-driven insights and innovative solutions. Join us to shape the future of global cyber security.

Blue Yonder is seeking a highly skilled Staff Security Engineer – Offensive Security / Purple Team to lead and execute advanced adversary emulation and detection validation efforts. This role serves as a technical leader in simulating real-world attack scenarios, identifying security gaps, and enhancing threat detection across enterprise environments. The ideal candidate brings deep offensive security experience and collaborates closely with blue teams to improve the organization’s resilience against sophisticated threats.

What You’ll Be Doing/Responsibilities:

• Design and execute threat emulation scenarios based on MITRE ATT&CK, threat intelligence, and real-world TTPs.
• Lead purple team exercises that test, tune, and validate the effectiveness of detection and response capabilities.
• Build and maintain custom tooling, scripts, and frameworks for offensive security testing.
• Partner with detection engineers and SOC analysts to close gaps uncovered during adversary simulations.
• Develop and refine threat detection rules in SIEM, EDR, and XDR platforms based on test results.
• Provide detailed reporting on test outcomes, risk implications, and remediation guidance to both technical and executive stakeholders.
• Support continuous improvement of detection engineering, threat hunting, and red team playbooks.
• Mentor junior engineers and collaborate across red, blue, and threat intel teams to mature the organization’s cyber defense capabilities.

What We Are Looking For:

Required Qualifications:

• 7+ years of hands-on cybersecurity experience, with 4+ years in red team, penetration testing, or offensive security.
• Demonstrated expertise with adversary simulation frameworks (e.g., Caldera, Atomic Red Team, MITRE ATT&CK).
• Deep knowledge of Windows, Linux, and cloud attack vectors and evasion techniques.
• Experience developing and customizing offensive tools and payloads (e.g., Cobalt Strike, Sliver, Metasploit, custom implants).
• Strong scripting skills in Python, PowerShell, Bash, or Go.
• Familiarity with EDR/SIEM platforms (e.g., Splunk, CrowdStrike, Sentinel) and detection logic tuning.
• Excellent collaboration and communication skills, with the ability to influence cross-functional teams.

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The salary range for this position is: $136,000.00 - $151,665.44 USD

The salary range information provided, reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual salary will be commensurate with skills, experience, certifications or licenses and other relevant factors. In addition, this role will be eligible to participate in either the annual performance bonus or commission program, determined by the nature of the position.

At Blue Yonder, we care about the wellbeing of our employees and those most important to them. This is reflected in our robust benefits package and options that includes:

• Comprehensive Medical, Dental and Vision

• 401K with Matching

• Flexible Time Off

• Corporate Fitness Program

• A variety of voluntary benefits such as; Legal Plans, Accident and Hospital Indemnity, Pet Insurance and much more

At Blue Yonder, we are committed to a workplace that genuinely fosters inclusion and belonging in which everyone can share their unique voices and talents in a safe space. We continue to be guided by our core values and are proud of our diverse culture as an equal opportunity employer. We understand that your career search may look different than others, and embrace the professional, personal, educational, and volunteer opportunities through which people gain experience.

Our Values

If you want to know the heart of a company, take a look at their values. Ours unite us. They are what drive our success – and the success of our customers. Does your heart beat like ours? Find out here: Core Values

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.