Offensive Security Senior Consultant

Crowe Advisory LLC; Chicago (IL); On-site; USD 81,000 - 159,000; Full time

Job summary

Crowe Advisory LLC in Chicago seeks a cybersecurity consultant to lead and support offensive security engagements, including network, web app, and wireless testing, plus social engineering and red/purple team exercises.

You will evaluate IT controls, present findings to stakeholders, mentor junior staff, and contribute to practice development while leveraging AI and automation to improve security outcomes for clients.

Qualifications

• Bachelor’s degree in Information Systems, Computer Science, Cybersecurity, Engineering, or related field.
• 2+ years of cybersecurity, offensive security, or related consulting/industry experience.
• Deep knowledge of Windows, Linux/Unix, and databases (SQL, Oracle).
• Working knowledge of networks and the OSI model.

Responsibilities

• Lead or support Offensive Security engagements including: Internal and external network penetration testing
• Web application penetration testing
• Wireless penetration testing
• Social engineering (phishing, telephone, onsite)
• Red teaming/Threat emulation
• Purple teaming
• Evaluate and test IT controls, application controls, security configurations, and interface/integration security.
• Provide practical recommendations for vulnerability remediation.
• Conduct cybersecurity assessments across standards/frameworks (NIST CSF, NIST 800.53, CIS, etc.)
• Present findings and recommendations to IT, Information Security, C-suite and board-level leadership
• Serve as an extension of client teams to lead or support program execution activities
• Mentor and supervise junior consultants; contribute to team development
• Participation in practice development and thought leadership

Skills

Cybersecurity experience

Offensive security

Operating systems

Networking knowledge

Security tools

Scripting skills

AI & automation interest

Education

Bachelor’s degree in Information Systems / Cybersecurity

Tools

Metasploit

Burp Suite

BloodHound

Nmap

Job description

Your Journey at Crowe Starts Here:

At Crowe, you can build a meaningful and rewarding career. With real flexibility to balance work with life moments, you’re trusted to deliver results and make an impact. We embrace you for who you are, care for your well-being, and nurture your career. Everyone has equitable access to opportunities for career growth and leadership. Over our 80-year history, delivering excellent service through innovation has been a core part of our DNA across our audit, tax, and consulting groups. That’s why we continuously invest in innovative ideas, such as AI-enabled insights and technology-powered solutions, to enhance our services. Join us at Crowe and embark on a career where you can help shape the future of our industry.

Job Description: What It Means to Be a Consultant at Crowe

Consulting is a dynamic business focused on solving problems for our clients and serving our core markets through innovative solutions. As technology and AI continue to reshape the consulting landscape, we are looking for individuals who are curious, adaptable, and eager to learn. At Crowe, consultants are expected to build both technical and transferable skills, think critically, and use technology to solve real business problems. In this role, you will continuously learn, collaborate across teams, and explore how tools, including emerging AI capabilities, can improve efficiency, insights, and client outcomes. As you grow, you’ll also begin to take ownership of client relationships, contribute to account strategy, and support the delivery of high-impact work. Developing a sense of account leadership, including understanding client needs, ensuring delivery excellence, and building trusted partnerships, is part of what sets successful consultants apart. Success in this role comes from a growth mindset, strong communication skills, advanced critical thinking, and the ability to navigate new challenges with confidence.

Key Responsibilities

• Lead or support Offensive Security engagements including: Internal and external network penetration testing
• Web application penetration testing
• Wireless penetration testing
• Social engineering (phishing, telephone, onsite)
• Red teaming/Threat emulation
• Purple teaming
• Evaluate and test IT controls, application controls, security configurations, and interface/integration security.
• Provide practical recommendations for vulnerability remediation.
• Conduct cybersecurity assessments across a variety of standards/frameworks (NIST CSF, NIST 800.53, CIS, integrated control frameworks, etc.)
• Present findings and recommendations to stakeholders, including IT, Information Security, C-suite and board-level leadership, through clear, concise written and verbal communication.
• Serve as an extension of client teams to lead or support program execution activities, including control implementation, metrics/reporting, issue remediation, and continuous improvement initiatives.
• Mentor and supervise junior consultants; contribute to team development and internal knowledge-sharing.
• Participate in practice development, including service line/methodology innovation and thought leadership.

Basic Qualifications

• Bachelor’s degree in Information Systems, Computer Science, Cybersecurity, Engineering, or related field.
• 2+ years of experience in cybersecurity, offensive security, or related consulting or industry roles.
• Deep working knowledge of operating systems (Windows, Linux/Unix) and databases (SQL, Oracle, etc.).
• Working knowledge of networks and the seven layer OSI model.
• Proficiency with common offensive security tools and frameworks (e.g., Metasploit, Burp Suite, BloodHound, Nmap, etc.).
• Detection engineering or blue team operations knowledge including evasion techniques.
• Strong scripting or programming skills.
• Experience with or curiosity about AI and automation tools in cybersecurity, including secure implementation practices and risk assessments.

Preferred Qualifications

• Progress toward or possession of certifications such as CISSP, OSCP, OSCE, or similar.
• Strong project management, critical thinking, and interpersonal skills.
• Excellent communication and technical writing skills, with the ability to tailor messages to both technical and executive audiences.

We expect the candidate to uphold Crowe's values of Care, Trust, Courage, and Stewardship. These values define who we are. We expect all of our people to act ethically and with integrity at all times. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. Crowe is not sponsoring for work authorization at this time.

A reasonable estimate of the current range is $80,500.00 - $159,300.00 per year.

Our Benefits

Your exceptional people experience starts here. At Crowe, we know that great people are what makes a great firm. We care about our people and offer employees a comprehensive total rewards package. Learn more about what working at Crowe can mean for you!

How You Can Grow

We will nurture your talent in an inclusive culture that values diversity. You will have the chance to meet on a consistent basis with your Career Coach that will guide you in your career goals and aspirations. Learn more about where talent can prosper!

More about Crowe

Crowe is one of the largest public accounting, consulting and technology firms in the United States. Crowe uses its deep industry expertise to provide audit services to public and private entities while also helping clients reach their goals with tax, advisory, risk and performance services. Crowe is recognized by many organizations as one of the country's best places to work. Crowe serves clients worldwide as an independent member of Crowe Global, one of the largest global accounting networks in the world. The network consists of more than 200 independent accounting and advisory services firms in more than 130 countries around the world.

Crowe (www.crowe.com) is one of the largest public accounting, consulting and technology firms in the United States. Crowe uses its deep industry expertise to provide audit services to public and private entities. The firm and its subsidiaries also help clients make smart decisions that lead to lasting value with its tax, advisory, and consulting services. Crowe is recognized by many organizations as one of the best places to work in the U.S. As an independent member of Crowe Global, one of the largest global accounting networks in the world, Crowe serves clients worldwide. The network consists of more than 200 independent accounting and advisory services firms in more than 130 countries around the world.

Crowe (www.crowe.com) provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, sexual orientation, gender identity or expression, genetics, national origin, disability or protected veteran status, or any other characteristic protected by federal, state or local laws.

Crowe (www.crowe.com) does not accept unsolicited candidates, referrals or resumes from any staffing agency, recruiting service, sourcing entity or any other third-party paid service at any time. Any referrals, resumes or candidates submitted to Crowe, or any employee or owner of Crowe without a pre-existing agreement signed by both parties covering the submission will be considered the property of Crowe, and free of charge. Crowe will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws. Please visit our webpage to see notices of the various state and local Ban-the-Box laws and Fair Chance Ordinances, where applicable. We are committed to a merit-based hiring process, evaluating all candidates consistently using objective, job-related criteria such as relevant experience, demonstrated skills, measurable impact, and alignment with the role’s responsibilities, and making employment decisions in a fair and inclusive manner free from discrimination.