International SOS Ltd

Senior Cyber Defense Analyst

International SOS Ltd$110K — $130K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active in-scope Top Secret/SCI clearance.
  • DoD 8140 / 8570 IAT Level II certification required within 180 days of hire.
  • 5+ years experience in SOC or cyber defense with expertise in incident response.
  • Experience as a senior analyst or shift lead within a SOC.
  • Strong understanding of adversary TTPs, cyber kill chain concepts, and detection techniques.
  • Hands-on experience with tools like SIEM, EDR, packet capture and analysis tools.
  • Strong written and verbal communication skills for technical briefings.

Responsibilities

  • Lead and direct shift operations for monitoring priorities and incident investigations.
  • Coordinate cyber defense responses during alerts and mission-impacting events.
  • Validate and prioritize escalated detections from security tools and platforms.
  • Conduct initial incident triage and support remediation and reporting activities.
  • Mentor junior analysts in threat hunting and incident response procedures.
  • Serve as a liaison between various teams to enhance detection and response procedures.
  • Conduct threat hunting based on adversary tactics and mission-specific indicators.

Benefits

  • Opportunity to lead and shape a high-impact cyber defense team.
  • Exposure to advanced AI-assisted detection technologies.
  • Work in a dynamic, fast-paced, and mission-critical environment.
  • Collaborative work culture with cross-functional teams.
  • Professional growth through mentoring and operational drills.
Full Job Description
Senior Cyber Defense Analyst - NIGHT Shift Lead

Step into a high-impact cyber defense leadership role at the forefront of mission operations. As a Night Shift Senior Cyber Defense Analyst Lead within SOSi's INDOPACOM Network Security Operations Center, you'll drive real-time threat defense across multi-enclave coalition environments powered by cutting-edge DaaS private cloud technology.

This role blends advanced cyber operations with modern AI-assisted detection-leading analysts through threat hunting, incident response, and rapid decision-making to protect critical warfighter networks. You'll be the connective force between detection engineering, cyber innovation teams, and mission partners, ensuring precision, speed, and mission assurance in a dynamic, 24/7 operational environment.

Lead the shift. Validate the signal. Defend the mission.

Essential Job Duties
  • Serve as the senior analyst and shift lead for assigned operations, providing direction on monitoring priorities, triage, threat hunting, and incident investigation activities.
  • Coordinate shift-level cyber defense response activities during alerts, incidents, outages, and mission-impacting events, escalating to the Incident Response Lead, DCO Lead, or INSOC leadership as required.
  • Validate, adjudicate, and prioritize escalated detections from AI-assisted SOC tools, SIEM, EDR, SOAR, and enterprise monitoring platforms.
  • Lead initial incident triage and support containment, remediation, evidence preservation, reporting, and handoff activities across shift transitions.
  • Mentor junior and mid-level analysts in detection analysis, threat hunting, incident response procedures, documentation standards, and operational best practices.
  • Serve as the shift-level liaison between analysts, DCAI engineers, detection engineering, NetOps, SysOps, and mission partners to refine detections, SOAR playbooks, AI-assisted workflows, and response procedures.
  • Conduct threat hunting based on adversary tactics, techniques, and procedures (TTPs), threat intelligence, anomaly detection, and mission-specific risk indicators.
  • Ensure incidents, investigations, shift notes, case updates, and lessons learned are documented accurately in accordance with SOPs, CSSP reporting requirements, and escalation timelines.
  • Support red/blue team events, tabletop exercises, operational drills, and after-action reviews to validate analyst readiness and improve shift procedures.
  • Provide clear verbal and written shift updates, incident summaries, and operational reporting to leadership, Government stakeholders, and external mission partners as required.
  • Maintain awareness of enterprise cyber, network, system, and mission environments to support timely detection, correlation, and mission-impact assessment.
  • Support compliance with RMF, CSSP, DoD 8140, SOPs, and accreditation requirements for AI-augmented cyber defense and incident response processes.


Qualifications

Minimum Requirements
  • Active in-scope Top Secret/SCI clearance.
  • DoD 8140 / 8570 IAT Level II certification required within 180 days of hire, such as Security+ CE, CySA+, GSEC, CCNA Security, or equivalent.
  • Minimum 5+ years of SOC, CSSP, Defensive Cyberspace Operations, or cyber defense experience with demonstrated incident response and threat hunting expertise.
  • Experience serving as a senior analyst, shift lead, incident lead, or escalation point within a SOC or enterprise cyber defense environment.
  • Strong understanding of adversary TTPs, MITRE ATT&CK, malware analysis fundamentals, cyber kill chain concepts, and advanced detection and response techniques.
  • Hands-on experience with SIEM, EDR, SOAR, packet capture and analysis tools, and enterprise monitoring platforms, such as Splunk, Elastic, Defender, Wireshark, Zeek, ServiceNow, or similar tools.
  • Ability to coordinate cross-functional response efforts across analysts, engineers, operations teams, Government stakeholders, and mission partners during cyber incidents and operational events.
  • Strong written and verbal communication skills, including the ability to brief technical findings, incident status, operational risk, and recommended actions to technical and non-technical audiences.
  • Must be flexible to support 24/7/365 operations, including rotating shifts, nights, weekends, holidays, on-call support, and surge coverage during major incidents or exercises.

Preferred Qualifications
  • Advanced certifications such as GCIA, GCIH, GDAT, GCTI, CISSP, CASP+, or equivalent.
  • Experience supporting DISA, CSSP, TNCC, INDOPACOM, coalition, or military cyber defense environments.
  • Prior Tier 2/Tier 3 SOC analyst, shift lead, incident commander, battle captain, or major incident coordination experience.
  • Experience working with AI/ML-assisted SOC platforms, automation pipelines, SOAR workflows, and operational analytics platforms.
  • Experience building, maturing, or refining SOC workflows, CONOPS, SOPs, escalation procedures, dashboards, and reporting products.
  • Experience with Mavin, Power BI, JIRA, ServiceNow, Elastic, Splunk, Microsoft Defender, Zeek, Wireshark, or similar enterprise platforms.


Additional Information

Work Environment
  • NIGHT Shift-basedschedule 2200 till 0600 hours as a senior analyst role supporting 24/7/365 mission operations; flexibility is required for rotating shifts, weekends, holidays, after-hours escalations, exercises, and surge support.
  • Fast-paced, mission-critical cyber defense operations supporting classified mission activities and enterprise-level operational response.
  • May require participation in operational meetings, briefings, shift turnovers, tabletop exercises, and after-action reviews.

About International SOS Ltd

International SOS is a healthcare company that provides medical and security services to organizations and individuals. The company was founded in 1985 and is headquartered in Singapore. International SOS operates in over 90 countries and has over 11,000 employees. The company's services include medical and security assistance, medical and security consulting, and emergency medical and security services.
Learn more about International SOS Ltd
Size
11,000 employees
Industry
Founded
1989

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