TEKsystems · 1 day ago
Offensive Security Engineer
TEKsystems is a leading provider of business and technology services, helping clients activate ideas and solutions for transformation. The Offensive Security Engineer will lead adversary simulation and red teaming efforts, focusing on security assessments and threat emulation across various environments.
Information Technology
Responsibilities
Lead and execute adversary emulation engagements using intelligence-driven threat scenarios aligned with frameworks such as MITRE ATT&CK
Design and conduct full-scope red team operations, including initial access, lateral movement, privilege escalation, and data exfiltration simulation
Conduct physical, external/internal, and wireless network assessments, as well as web and mobile application testing
Perform security assessments across cloud platforms (Google Cloud, Microsoft Azure, AWS) and embedded systems
Develop and test threat actor emulation tools, tactics, and procedures for the Red Team to employ on-demand in assessments of application, system, and network security controls
Qualification
Required
Deep experience in adversary simulation, red teaming, and offensive security operations across hybrid environments (on-prem, cloud, and physical)
Strong technical acumen
Ability to communicate complex findings to both technical and executive audiences
Lead and execute adversary emulation engagements using intelligence-driven threat scenarios aligned with frameworks such as MITRE ATT&CK
Design and conduct full-scope red team operations, including initial access, lateral movement, privilege escalation, and data exfiltration simulation
Conduct physical, external/internal, and wireless network assessments, as well as web and mobile application testing
Perform security assessments across cloud platforms (Google Cloud, Microsoft Azure, AWS) and embedded systems
Develop and test threat actor emulation tools, tactics, and procedures for the Red Team to employ on-demand in assessments of application, system, and network security controls
Looking for 6+ years of experience in Red Teaming for the mid-level role
Preferred
Offensive Security Certified Professional (OSCP)
Offensive Security Certified Expert (OSCE)
Offensive Security Experienced Penetration Tester (OSEP)
Certified Red Team Professional (CRTP)
GIAC Penetration Tester (GPEN)
GIAC Web Application Penetration Tester (GWAPT)
CREST Registered Penetration Tester / CBEST Qualifications
Any experience with automated pen testing is a plus
Benefits
Medical, Dental, Vision offered through United Health Group.
4 weeks of PTO
Holidays: 8 observed and 3 floating
Company
TEKsystems
At TEKsystems, they understand people. Every year they deploy over 80,000 IT professionals at 6,000 client sites across North America,
H1B Sponsorship
TEKsystems has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (46)
2024 (52)
2023 (33)
2022 (22)
2021 (36)
2020 (53)
Funding
Current Stage
Late StageRecent News
2025-11-19
2025-10-29
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