Red Team - Sr Security Engineer
LocationOverland Park, KS
Work modeon-site
Typefull-time
SenioritySenior
Experience4–6 yrs
Company size501–1,000 people
PostedAug 20, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Bachelor's degree in a related field or equivalent work experience
4 - 6 years related work experience
At least 2 years of the above experience in an offensive security role: penetration testing, red teaming, adversary emulation, or purple team
Hands-on experience executing the full attack lifecycle - reconnaissance, initial access, privilege escalation, lateral movement, persistence, and exfiltration - against enterprise networks, cloud environments, and web applications
Working knowledge of the MITRE ATT&CK framework for planning engagements and mapping findings to detection coverage
Proficiency with offensive tooling such as Burp Suite, Nmap, Metasploit, BloodHound, and Impacket, and with at least one command-and-control framework such as Cobalt Strike, Sliver, or Mythic
Cloud attack and defense experience in AWS, Azure, or GCP, including IAM abuse paths, misconfiguration exploitation, and cloud-native logging and controls
Demonstrated ability to communicate findings to both engineering teams and executives, including business risk, exploitability, and prioritized remediation guidance
Demonstrated daily use of AI assistants and agentic coding tools such as Claude Code, GitHub Copilot, or Cursor to accelerate research, tooling development, log analysis, and reporting
Practical prompt engineering skill, including decomposing security tasks for large language models and critically validating AI-generated output before acting on it
Understanding of the security and privacy risks introduced by AI tooling, including safe handling of PHI and other sensitive data in prompts and adherence to responsible-use policies
Willing to work additional or irregular hours as needed
Must work in accordance with applicable security policies and procedures to safeguard company and client information
Detection engineering and purple team collaboration, including writing or tuning SIEM detections based on emulated adversary behavior
Malware analysis, reverse engineering, or custom payload development and EDR evasion in an authorized testing context
Active Directory and Microsoft Entra ID attack path analysis and hardening
Container and Kubernetes security testing, and CI/CD pipeline or software supply chain attack techniques
Application security depth, including SAST, DAST, and SCA triage, secure code review, and threat modeling
Contributions to the security community such as open-source tooling, CVE research, CTF placement, conference talks, or published research
Scripting and automation ability in Python, PowerShell, Bash, or Go to build tooling and automate repetitive testing
Experience testing AI and LLM-enabled applications for prompt injection, jailbreaks, insecure output handling, data leakage, and agent or tool-abuse paths
Familiarity with the OWASP Top 10 for LLM Applications, MITRE ATLAS, and the NIST AI Risk Management Framework
Experience building AI-assisted security automation, such as agents or scripts for alert triage, recon enrichment, log correlation, or evidence collection
Understanding of how to secure AI infrastructure, including model endpoints, MCP servers and tool integrations, RAG data stores, and API key management for AI services
Experience evaluating third-party AI tools for enterprise risk and defining safe-use guardrails
Offensive security certifications: OSCP, OSEP, OSWE, CRTO, GPEN, GXPN, or PNPT
Cloud: AWS, Azure, or GCP security specialty certification
General: CISSP, GCIH, or GCIA
Healthcare industry experience
Working knowledge of the HIPAA Security Rule, HITRUST CSF, SOC 2, and NIST 800-53 or the NIST Cybersecurity Framework, and how they constrain offensive testing scope and evidence handling
Experience conducting authorized testing in regulated environments under formal rules of engagement and change-control processes
Must be legally authorized to work in the United States
Must be able to sit and view a computer screen for extended periods of time
Skills
Burp Suite
Nmap
Metasploit
BloodHound
Impacket
Cobalt Strike
Sliver
Mythic
AWS
Azure
GCP
SIEM
DLP
EDR
SAST
SCA
Python
PowerShell
Bash
Go
Claude Code
GitHub Copilot
Cursor
Kubernetes
Docker
CI/CD
Benefits
Health insurance
Dental insurance
Vision insurance
Mental health support
Paid time off
Paid holidays
401(k)
Educational assistance
About the role
The Red Team – Sr Security Engineer is responsible for enterprise information security systems and infrastructure platforms for WellSky. The scope of this job includes information system security administration and maintenance, vulnerability management, and configuration of other security software and solutions.
Key Responsibilities:
•
Design, scope, and execute red team engagements and adversary emulation exercises against WellSky systems, cloud environments, and applications, and partner with detection engineering to close the gaps those exercises expose.
•
Lead the implementation and enhancement of security measures across systems and software development processes, system hardening, monitoring, vulnerability assessment and remediation, incident response, disaster recovery by enforcing secure software development lifecycle practices and considering emerging cybersecurity threats.
•
Develop and enforce security controls in colocation and cloud environments in strategic alignment with WellSky policies.
•
Analyze technical requirements and recommend solutions or enhancements to provide actionable guidance for the business that align with industry standards and regulatory compliance.
•
Provide technical guidance to development and IT teams by fostering secure software design and deployment.
•
Participate in the security incident response process by aiding in detection, notification, containment, resolution, and escalation of incidents as needed.
•
Serve as a subject matter expert for security tools (e.g., SIEM, DLP, EDR, SAST, SCA), optimize configurations and workflows, and provide guidance to other information security teammates and assign tasks as needed.
•
Leverage AI tools and platforms as an integral part of daily responsibilities to enhance decision-making, streamline workflows, and drive data-informed outcomes.
•
Perform other job duties as assigned.
Required Qualifications:
•
Bachelor’s degree in a related field or equivalent work experience
•
4 - 6 years related work experience
•
At least 2 years of the above experience in an offensive security role: penetration testing, red teaming, adversary emulation, or purple team
•
Hands-on experience executing the full attack lifecycle - reconnaissance, initial access, privilege escalation, lateral movement, persistence, and exfiltration - against enterprise networks, cloud environments, and web applications
•
Working knowledge of the MITRE ATT&CK framework for planning engagements and mapping findings to detection coverage
•
Proficiency with offensive tooling such as Burp Suite, Nmap, Metasploit, BloodHound, and Impacket, and with at least one command-and-control framework such as Cobalt Strike, Sliver, or Mythic
•
Cloud attack and defense experience in AWS, Azure, or GCP, including IAM abuse paths, misconfiguration exploitation, and cloud-native logging and controls
•
Demonstrated ability to communicate findings to both engineering teams and executives, including business risk, exploitability, and prioritized remediation guidance
•
Demonstrated daily use of AI assistants and agentic coding tools such as Claude Code, GitHub Copilot, or Cursor to accelerate research, tooling development, log analysis, and reporting
•
Practical prompt engineering skill, including decomposing security tasks for large language models and critically validating AI-generated output before acting on it
•
Understanding of the security and privacy risks introduced by AI tooling, including safe handling of PHI and other sensitive data in prompts and adherence to responsible-use policies
Preferred Qualifications:
Offensive depth
•
Detection engineering and purple team collaboration, including writing or tuning SIEM detections based on emulated adversary behavior
•
Malware analysis, reverse engineering, or custom payload development and EDR evasion in an authorized testing context
•
Active Directory and Microsoft Entra ID attack path analysis and hardening
•
Container and Kubernetes security testing, and CI/CD pipeline or software supply chain attack techniques
•
Application security depth, including SAST, DAST, and SCA triage, secure code review, and threat modeling
•
Contributions to the security community such as open-source tooling, CVE research, CTF placement, conference talks, or published research
•
Scripting and automation ability in Python, PowerShell, Bash, or Go to build tooling and automate repetitive testing
AI and machine learning security
•
Experience testing AI and LLM-enabled applications for prompt injection, jailbreaks, insecure output handling, data leakage, and agent or tool-abuse paths
•
Familiarity with the OWASP Top 10 for LLM Applications, MITRE ATLAS, and the NIST AI Risk Management Framework
•
Experience building AI-assisted security automation, such as agents or scripts for alert triage, recon enrichment, log correlation, or evidence collection
•
Understanding of how to secure AI infrastructure, including model endpoints, MCP servers and tool integrations, RAG data stores, and API key management for AI services
•
Experience evaluating third-party AI tools for enterprise risk and defining safe-use guardrails
Certifications, any of the following
•
Offensive security: OSCP, OSEP, OSWE, CRTO, GPEN, GXPN, or PNPT
•
Cloud: AWS, Azure, or GCP security specialty certification
•
General: CISSP, GCIH, or GCIA
Healthcare and compliance
•
Healthcare industry experience
•
Working knowledge of the HIPAA Security Rule, HITRUST CSF, SOC 2, and NIST 800-53 or the NIST Cybersecurity Framework, and how they constrain offensive testing scope and evidence handling
•
Experience conducting authorized testing in regulated environments under formal rules of engagement and change-control processes
Job Expectations:
•
Willing to work additional or irregular hours as needed
•
Must work in accordance with applicable security policies and procedures to safeguard company and client information
•
Must be able to sit and view a computer screen for extended periods of time
About the company
WellSky is where independent thinking and collaboration come together to create an authentic culture. We thrive on innovation, inclusiveness, and cohesive perspectives. At WellSky you can make a difference.
Benefits
Here are some of the exciting benefits full-time teammates are eligible to receive at WellSky:
•
Excellent medical with Rx, dental, and vision benefits
•
Mental Health support through EAP
•
Generous paid time off, plus 13 paid holidays
•
100% vested 401(K) retirement plans
•
Educational assistance up to $2500 per year
Legal
WellSky provides equal employment opportunities to all people without regard to race, color, national origin, ancestry, citizenship, age, religion, gender, sex, sexual orientation, gender identity, gender expression, marital status, pregnancy, physical or mental disability, protected medical condition, genetic information, military service, veteran status, or any other status or characteristic protected by law. WellSky is proud to be a drug-free workplace.
Applicants for U.S.-based positions with WellSky must be legally authorized to work in the United States. Verification of employment eligibility will be required at the time of hire. Certain client-facing positions may be required to comply with applicable requirements, such as immunizations and occupational health mandates.
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