Freelance Offensive Security Engineer Jobs in Indiana

We are looking for a talented Cybersecurity Defense Analyst- Senior to join our team specializing in Systems/Information Technology for our Corporate organization in Columbus, IN. 

In this role, you will make an impact in the following ways:

• Protect Cummins' technology environment by applying cybersecurity policies, data privacy principles, and security best practices to reduce organizational risk.
• Lead cybersecurity risk assessments and identify potential vulnerabilities, ensuring effective mitigation strategies are developed and implemented.
• Serve as a trusted advisor to business and technology stakeholders by providing expert guidance on secure technology solutions and risk-informed decision-making.
• Apply industry-leading frameworks and standards such as NIST, ISO, ITIL, and COBIT to strengthen security controls and support regulatory compliance.
• Partner with cross-functional teams to evaluate new and changing technology solutions, ensuring cybersecurity requirements are integrated from the start.
• Coach, mentor, and develop less experienced team members, helping build cybersecurity capabilities and fostering a culture of continuous learning.
• Build and maintain strong business relationships that enable collaboration, strengthen stakeholder trust, and deliver measurable business value.
• Drive proactive cybersecurity improvements by balancing business objectives with security requirements, helping the organization remain resilient against evolving threats.

Job Description / Responsibilities
Support and execute adversary emulation, purple team, and security validation activities across enterprise environments.
Operate and maintain Breach and Attack Simulation (BAS) and adversary emulation platforms to validate defensive controls and identify detection gaps.
Conduct security testing of cloud, hybrid, and on-premises environments to identify exploitable weaknesses and security control deficiencies.
Partner with Threat Intelligence and Threat Hunting teams to emulate relevant attacker behaviors, techniques, and procedures.
Assist in developing repeatable attack scenarios aligned to MITRE ATT&CK techniques and organizational threat priorities.
Validate detection and response capabilities by coordinating with defensive security teams during purple team exercises.
Help automate offensive testing workflows, validation processes, and operational reporting through scripting and tooling enhancements.
Document findings, attack paths, detection gaps, and remediation recommendations in a clear and actionable manner.
Contribute to the continuous improvement of proactive security validation capabilities, processes, and operational maturity.
Support offensive cyber operations initiatives including targeted assessments, adversary simulation activities, and security research efforts.
Support the engineering and development of remedial workflows for findings generated by adversarial and offensive activities
Requirements / Qualifications
Experience in cybersecurity operations, cloud security, security engineering, offensive security, or related technical security disciplines.
OCSP or equivalent certification holder or the willingness to obtain such a certification. 
Familiarity with cloud platforms such as AWS, Azure, OCI and associated security concepts.
Understanding of common attacker tactics, techniques, and procedures (TTPs) and frameworks such as MITRE ATT&CK.
Exposure to scripting or automation using languages such as Python, PowerShell, or Bash.
Familiarity with security validation, BAS, detection engineering, purple teaming, penetration testing, or adversary emulation concepts is preferred.
Strong analytical, troubleshooting, and collaboration skills with the ability to work across offensive and defensive security functions.
 

To be successful in this role you will need the following:

• Action oriented - Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
   
• Balances stakeholders - Anticipating and balancing the needs of multiple stakeholders.
   
• Business insight - Applying knowledge of business and the marketplace to advance the organization's goals.
   
• Ensures accountability - Holding self and others accountable to meet commitments.
   
• Manages complexity - Making sense of complex, high quantity, and sometimes contradictory information to effectively solve problems.
   
• Organizational savvy - Maneuvering comfortably through complex policy, process, and people-related organizational dynamics.
   
• Persuades - Using compelling arguments to gain the support and commitment of others.
   
• Resourcefulness - Securing and deploying resources effectively and efficiently.
   
• Tech savvy - Anticipating and adopting innovations in business-building digital and technology applications.
   
• Training Delivery - Instructs learners in a manner that engages and adjusts to individual and group needs resulting in knowledge, skills and abilities that can be applied on the job.
   
• Cybersecurity Risk Management - Identifies and assesses the potential impact of Cybersecurity risks against established Cybersecurity industry frameworks, regulations and organizational policies to develop and implement risk mitigation strategies in alignment with business objectives.
   
• Regulatory Risk Compliance Management - Evaluates the design and effectiveness of controls against established industry frameworks and regulations to assess adherence with legal/regulatory requirements. 
   
• Values differences - Recognizing the value that different perspectives and cultures bring to an organization. 
  

Education, Licenses, Certifications: 

• College, university, or equivalent degree in Cybersecurity, Computer Science, or Information Technology, or related subject, or relevant equivalent experience required. 
• This position may require licensing for compliance with export controls or sanctions regulations. 
  

Experience: 

• Intermediate level of relevant work experience required. 
• 3-5 years of experience