What are the responsibilities and job description for the Application Security Engineer position at TEKsystems?
Description
We’re looking for a cyber security specialist to help validate penetration test results, contribute creative ideas to purple team and red team backlogs, and support the early phases of red team campaigns. In this role, you’ll collaborate closely with offensive and defensive security teams to uncover vulnerabilities, simulate adversary behaviors, and strengthen our detection and response capabilities. Your work will directly contribute to improving our overall security posture in a high-impact, fast-paced environment. As a key member of the offensive security team, you will validate findings, help design attack scenarios, and partner with threat intelligence, detection engineering, and incident response teams. You’ll get hands-on exposure to real-world attack techniques across applications, cloud environments, and enterprise systems, while continuously sharpening your skills in adversary simulation and ethical hacking. If you enjoy thinking like an attacker, supporting red team operations, and collaborating across security disciplines, we’d love to have you on our team. Key Responsibilities:
Penetration test, Application security, API Security
Pay And Benefits
The pay range for this position is $60.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
Available For This Temporary Role May Include The Following
This is a hybrid position in Chicago,IL.
Application Deadline
This position is anticipated to close on Oct 10, 2025.
h4>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems And TEKsystems Global Services
We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
We’re looking for a cyber security specialist to help validate penetration test results, contribute creative ideas to purple team and red team backlogs, and support the early phases of red team campaigns. In this role, you’ll collaborate closely with offensive and defensive security teams to uncover vulnerabilities, simulate adversary behaviors, and strengthen our detection and response capabilities. Your work will directly contribute to improving our overall security posture in a high-impact, fast-paced environment. As a key member of the offensive security team, you will validate findings, help design attack scenarios, and partner with threat intelligence, detection engineering, and incident response teams. You’ll get hands-on exposure to real-world attack techniques across applications, cloud environments, and enterprise systems, while continuously sharpening your skills in adversary simulation and ethical hacking. If you enjoy thinking like an attacker, supporting red team operations, and collaborating across security disciplines, we’d love to have you on our team. Key Responsibilities:
- Validate penetration testing results to ensure accuracy, reproducibility, and actionable business impact.
- Contribute to red team and purple team backlogs with new attack, detection, and testing ideas.
- Support initial phases of red team campaigns, including reconnaissance, scoping, and infrastructure setup.
- Collaborate with blue team counterparts to improve detection, monitoring, and incident response.
- Stay current with emerging threats, vulnerabilities, and adversary TTPs to inform testing approaches.
- Document methodologies, findings, and lessons learned for internal knowledge sharing.
- Assist operators during red team campaigns and gradually take on more independent testing tasks
Penetration test, Application security, API Security
Pay And Benefits
The pay range for this position is $60.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
Available For This Temporary Role May Include The Following
- Medical, dental & vision
- Critical Illness, Accident, and Hospital
- 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
- Life Insurance (Voluntary Life & AD&D for the employee and dependents)
- Short and long-term disability
- Health Spending Account (HSA)
- Transportation benefits
- Employee Assistance Program
- Time Off/Leave (PTO, Vacation or Sick Leave)
This is a hybrid position in Chicago,IL.
Application Deadline
This position is anticipated to close on Oct 10, 2025.
h4>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems And TEKsystems Global Services
We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
Salary : $60 - $65
