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Cyber Security Analyst
- Kellermeyer Bergensons Services (Oceanside, CA)
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About KBS
Kellermeyer Bergensons Services (KBS) is the largest privately held provider of facility services in North America, servicing over 2 billion square feet of space daily. We help industry leaders across a wide range of key verticals—including retail, industrial and logistics, healthcare, education, manufacturing, and more—maintain clean, efficient and welcoming spaces that support their operations. As we continue to grow, we’re looking for team members who are dedicated, reliable, and ready to contribute to a culture built on respect, opportunity, and pride in service.
Position Summary
The Cyber Security Analyst monitors, investigates, and responds to security threats across KBS and its subsidiaries’ networks, endpoints, and cloud environments. This role combines proactive threat hunting, analytics, and automation to detect, contain, and mitigate cyber risks. The analyst plays a key role in strengthening enterprise defenses, improving visibility, and supporting continuous improvement of the company’s overall security posture.
Duties and Responsibilities
+ Actively hunt for indicators of compromise (IOCs), suspicious activities, and adversarial behavior across environments using CrowdStrike Falcon and other EDR/XDR platforms.
+ Develop and execute KQL queries and build dashboards to analyze telemetry from Microsoft Defender, CrowdStrike, and related tools.
+ Automate detection, log analysis, and incident response workflows using Python, PowerShell, and SOAR integrations.
+ Monitor environments, endpoints, networks, and cloud services for potential breaches, escalating or remediating as appropriate.
+ Work cross-functionally to investigate incidents, perform root-cause analysis, and implement corrective actions.
+ Collaborate to identify vulnerabilities; validate remediation and patch/configuration compliance to ensure issues are fully resolved.
+ Participate in red/blue team exercises, simulations, and post-incident reviews to identify and reduce areas of vulnerability/exposure and improve readiness.
+ Create and improve security baselines, detection rules, and playbooks to enhance threat visibility and reduce response time.
+ Prepare reports and documentation on incidents, improvements, and overall security posture.
+ Ensure alignment with internal policies, industry standards, and relevant security frameworks.
+ Continuously research and stay informed on emerging attack vectors, vulnerabilities, and adversary techniques to anticipate and mitigate evolving cyber threats.
+ Maintain a proactive, inquisitive, and analytical mindset, actively hunting for anomalies and threats that standard controls may overlook.
Requirements
+ Hands-on experience using KQL to build queries and dashboards is required
+ EDR/XDR, SIEM, SOAR platforms (CrowdStrike, Microsoft Defender, and similar)
+ Experience with Python or PowerShell scripting for automation and incident enrichment
+ Threat intelligence, vulnerability management, and incident response methodologies
+ Understanding of common threat frameworks (MITRE ATT&CK, Cyber Kill Chain)
+ Knowledge of cloud security operations across Microsoft 365, Azure, and AWS
+ Computer systems, hardware, networks, and modern cloud infrastructures.
+ Analytical and detail-oriented with strong problem-solving ability
+ Self-motivated and dependable, working effectively with minimal supervision
+ Collaborative communicator with cross-departmental awareness
+ Curious and proactive, committed to continuous learning and process improvement
+ Proactive threat hunter, identifying anomalies and emerging risks before escalation
+ Agile and adaptable, adjusting quickly to evolving priorities and threat landscapes
Experience Required:
+ 5+ years’ experience in the information security field
Education:
+ Bachelor's degree in a computer-related field, such as cybersecurity, software information assurance, computer science, or an educational equivalent
+ Certifications such as CISSP, GCIA, GCIH, or CrowdStrike Certified Falcon Responder (CCFR) preferred
LOCATION - THIS ROLE IS 100% REMOTE
SALARY RANGE - $90-100k
The salary range for this position is based on market data and is intended to provide a general guideline for the position. Actual compensation may vary depending on factors such as experience, qualifications, skills, internal equity, and geographic location. The final offer will be determined through a comprehensive evaluation during the hiring process.
Full-time Benefits:
As a full-time KBS employee (30+ hours per week) you may qualify for benefits including medical, dental, vision, prescription drugs, and more!
+ Paid Time Off
+ Paid Holidays
+ Sick Time
+ Life Insurance
+ Short Term Disability – Employer paid
+ Long Term Disability
+ Supplemental Health Insurance (E.G., Accident)
+ 401k plan with a match or Non-qualified Deferred Compensation Plan
+ Pet Insurance
+ PerkSpot Discount Program – discounts on travel, gyms, cell phones, restaurants, auto, apparel & electronics
KBS considers all applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, gender identity, and expression, marital or military status, or based on an individual's status in any group or class protected by applicable federal, state, or local law. KBS also provides reasonable accommodations to qualified individuals with disabilities in accordance with the Americans with Disabilities Act and applicable state and local law.
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