Software Guidance & Assistance, Inc. (SGA, Inc.) · 2 hours ago
Sr Cyber Security Engineer –Threat Simulation
Chicago, IL
Full-time
Onsite
Senior Level
5+ years expSoftware Guidance & Assistance, Inc. is searching for a Sr Cyber Security Engineer for a full-time assignment with one of their premier financial clients in Chicago, IL. This high-impact role involves executing Red Team adversary emulations to improve security posture and participating in Purple Team activities to enhance the organization's cyber detection and response capabilities.
Information TechnologyStaffing Agency
Responsibilities
Execute high-impact Red Team exercises against our complex hybrid cloud environments, driven by real-world threat intelligence and the MITRE ATT&CK Framework
Engineer and maintain robust Red and Purple Team infrastructure, continuously automating processes for efficiency and scale
Co-design and lead joint Purple Team exercises, directly partnering with cyber defense to improve detection and response capabilities
Innovate through continuous research into new offensive security TTPs (Tactics, Techniques, and Procedures) and drive knowledge transfer across the security organization
Conduct specialized, ad-hoc offensive security tests utilizing industry-leading and internally developed tooling to uncover subtle security gaps
Author comprehensive post-exercise reports, including detailed technical findings, compromise narratives, and strategic, risk-rated recommendations for remediation
Mentor cyber defense teams during incident investigations, providing critical subject matter expertise on attacker tradecraft and mindset
Champion security awareness and technical knowledge-sharing by collaborating with information security, technology, and business stakeholders
Qualification
Required
We're looking for an engineer with a robust offensive mindset and a proven track record of breaking and building in complex enterprise environments
5+ years' experience wielding industry-standard penetration testing and adversary emulation tools (e.g., Cobalt Strike, Sliver, Mythic, Bloodhound, Burp Suite)
Expert understanding of the MITRE ATT&CK Framework and advanced evasion techniques used to bypass modern security controls
Strong comprehension of the cyber kill chain and the full lifecycle of an Advanced Persistent Threat (APT) targeting financial institutions
Proficiency in at least one scripting language (e.g., Python, PowerShell) and experience with a compiled language (e.g., Go, C#) for tool development
Deep experience attacking and securing complex cloud, on-prem, and hybrid environments, from initial access through actions on objective
Solid knowledge of Windows and Linux system hardening concepts, Purple Team automation strategies, and vulnerability rating methodologies
Proven experience with security within at least one major cloud provider (e.g., AWS, Azure, GCP)
Preferred
Previous hands-on experience performing sophisticated adversary emulations/simulations specifically within the financial services sector
A recognized offensive security industry certification (e.g., OSCP, GPEN, GXPN, OSWE, eCPTX) demonstrating specialized, high-impact skills
Familiarity with modern enterprise security standards and frameworks (e.g., TIBER-EU, CBEST, NIST CSF)
Experience conducting offensive security exercises against emerging technologies, such as AI/ML systems or macOS
Company
Software Guidance & Assistance, Inc. (SGA, Inc.)
SGA is the technology and resource solutions provider driven to stand out. We are a certified women-owned business.
201-500 employees
H1B Sponsorship
Software Guidance & Assistance, Inc. (SGA, Inc.) 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 (13)
2024 (12)
2023 (19)
2022 (25)
2021 (41)
2020 (44)
Funding
Current Stage
Growth StageLeadership Team
Peter Taylor
CEO
Andrew Gallagher - CCWP
Senior Vice President - Strategic Partnerships
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