Senior Cybersecurity Engineer

Jet Support Services • Chicago, IL

11d

About The Position

The Senior Cybersecurity Engineer is the hands-on technical owner of day-to-day cybersecurity operations at Jet Support Services, Inc. (JSSI). The role prevents, identifies, remediates, and reports on security incidents; assesses the organization’s security posture against evolving threats; and designs, implements, and maintains measures that protect employees and assets. In a fast-moving environment, the engineer also drives improvements across detection and response, vulnerability management, security awareness, and compliance, balancing operational work with projects that strengthen JSSI’s security posture.

JSSI, founded in 1989 and headquartered in Chicago, is an independent provider of hourly cost maintenance programs for business aviation. Its business lines include maintenance services, Traxxall maintenance tracking software, Parts & Engines, Conklin aircraft cost and performance data, and Aviation Capital asset-based financing solutions. JSSI supports more than 6,500 aircraft through its programs and software platforms.

Requirements

• At least 7 years of experience in Information Technology roles, including at least 4 years in security operations such as SOC analysis, incident response, or detection engineering.
• Bachelor's degree in Computer Science, Information Security, or a related field, or equivalent professional experience.
• In-depth knowledge of networking protocols and experience configuring network security devices such as firewalls and IDS/IPS.
• Experience with EDR and XDR services.
• Scripting and query language experience, such as Bash, PowerShell, and KQL.
• Hands-on experience setting up and querying SIEM tools such as Sumo Logic.
• Hands-on experience building automations and playbooks in a SOAR platform and integrating security tooling via APIs to automate triage, enrichment, and response.
• Knowledge of data privacy and compliance regulations and cybersecurity frameworks such as ISO 27001 and NIST.
• Excellent written and verbal communication skills.
• Detail orientation and strong analytical and problem-solving abilities.
• Ability to effectively prioritize tasks and projects in a fast-paced environment.

Nice To Haves

• Experience with Tines.
• Experience with the Microsoft Defender security suite.
• Cybersecurity certifications such as CISSP, CISM, or CEH.

Responsibilities

• Work AI-enriched alerts, telemetry, and threat feeds to identify and remediate incidents.
• Build and maintain agentic tooling and automations across the security stack to automate alert triage, enrichment, and analysis and reduce manual work.
• Build and maintain SOAR workflows integrating SIEM, EDR, identity, email, and ticketing tools to automate enrichment, containment, and case management.
• Lead technical investigation, containment, and recovery for security incidents alongside IT, engineering, and business teams; convert root-cause findings into stronger detections, playbooks, and controls.
• Author and tune detections, correlation rules, and queries, including drafting them with AI based on threat behaviors and validating them before deployment.
• Prioritize and drive remediation of vulnerability, penetration-test, and security-assessment findings across the organization.
• Routinely assess network and cloud security posture and prioritize gaps against best practices.
• Configure and maintain security devices, systems, and tooling according to best practices.
• Investigate and respond to phishing reports and quarantine-release requests.
• Own and enhance JSSI's Security Awareness Training program.
• Design, implement, and operate security improvements across the environment to raise security posture and program maturity.
• Establish and report on key security metrics and respond to audit requests and client due-diligence questionnaires.
• Document and improve operational procedures, runbooks, and standard operating procedures.
• Contribute to incident response planning, security policies, disaster recovery, and business continuity planning.
• Collaborate with other IT professionals to advise on cybersecurity best practices.
• Participate in the on-call rotation and respond to critical security alerts off-hours.
• Perform other duties as assigned.

Benefits

• Competitive and comprehensive compensation package.
• Annual discretionary bonus plan, incentive or sales bonus plan, or another form of additional compensation may be included, depending on the role.
• For full-time employees based in the USA, Canada, or the Philippines, a suite of benefits including medical, dental, vision, and retirement savings programs, starting on the first day of employment.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior