Security Engineer (SIEM)

About Coalfire Coalfire is on a mission to make the world a safer place by solving our clients’ hardest cybersecurity challenges. We work at the cutting edge of technology to advise, assess, automate, and ultimately help companies navigate the ever-changing cybersecurity landscape. We are headquartered in Chicago, Illinois with offices across the and , and we support clients around the world.But that’s not who we are – that’s just what we do.We are thought leaders, consultants, and cybersecurity experts, but above all else, we are a team of passionate problem-solvers who are hungry to learn, grow, and make a difference. Position Summary We’re looking for aSIEM Engineer II to play a central role in implementing and maintaining robust security monitoring solutions—ensuring our clients stay protected against emerging cyber threats and remain compliant with industry standards. If you’re driven by a desire to innovate and thrive in a collaborative environment, come be part of a team committed to making the world a safer place.

What You’ll Do

• Maintain SIEM solutions (Splunk, Sentinel, ELK, LogRhythm, Sumo Logic) in cloud environments (AWS, Azure, GCP) to support FedRAMP continuous monitoring requirements
• Maintain and support SIEM platforms (Splunk, Sentinel, ELK, LogRhythm, Sumo Logic) in AWS, Azure, and GCP environments to support continuous monitoring and compliance requirements
• Manage and maintain log collection infrastructure including forwarders, collectors, and ingestion pipelines across hybrid environments
• Support SIEM performance tuning, storage management, retention settings, and licensing optimization under established operational guidelines
• Implement and maintain log retention and audit configurations aligned with FedRAMP and other compliance framework requirements
• Develop, tune, and maintain detection rules, correlation searches, and alerting logic to identify security events
• Create and maintain custom parsers and field extractions for complex or proprietary log sources
• Reduce false positives through ongoing rule tuning, baseline analysis, and detection improvement efforts
• Participate in peer reviews of detection rules and SIEM configuration changes
• Monitor SIEM alerts and investigate security events to support incident response and threat hunting activities
• Contribute to development and maintenance of detection and response playbooks and operational procedures
• Support troubleshooting of SIEM ingestion, parsing, and performance issues
• Work with infrastructure and application teams to onboard new log sources and improve security visibility
• Collect and organize SIEM control evidence and artifacts for audits and 3PAO assessment activities
• Ensure SIEM configurations support required controls such as audit review, log integrity, and time synchronization
• Create and maintain SIEM architecture, detection, and operational documentation and runbooks
• Provide technical support during client reviews and operational meetings as assigned
• Share knowledge and provide guidance to junior team members
• Contribute to process improvement and automation initiatives within SIEM and detection workflows

What You’ll Bring

Bonus Points

$78,000 - $135,000 a yearThe salary range listed is a reasonable estimate of the compensation range for this role based on national salary averages. The actual salary offer to the successful candidate will be based on job-related education, geographic location, training, licensure and certifications and other factors. You may also be eligible to participate in annual incentive, commission, and / or recognition programs. Why You’ll Want to Join Us At Coalfire, you’ll find the support you need to thrive personally and professionally. In many cases, we provide a flexible work model that empowers you to choose when and where you’ll work most effectively – whether you’re at home or an office.Regardless of location, you’ll experience a company that prioritizes connection and wellbeing and be part of a team where people care about each other and our communities. You’ll have opportunities to join employee resource groups, participate in in-person and virtual events, and more. And you’ll enjoy competitive perks and benefits to support you and your family, like paid parental leave, flexible time off, certification and training reimbursement, digital mental health and wellbeing support membership, and comprehensive insurance options.At Coalfire, equal opportunity and pay equity is integral to the way we do business. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Coalfire is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation to participate in the job application or interview process, contact our Human Resources team at .We may use artificial intelligence (AI) tools to support parts of the hiring process, such as analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.