Leidos · 2 hours ago
Cyber Security Service Provider (CSSP) Customer Support Specialist
Whitehall, OH
Full-time
Onsite
Mid Level
$87K/yr - $157K/yr
4+ years expLeidos is seeking a dedicated and customer-focused CSSP Customer Support Specialist to join their team. This role involves acting as the primary liaison for Cyber Security Service Provider customers, managing client relationships, providing technical support, and facilitating incident response communication to help maintain security posture and compliance requirements.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support the onboarding of new CSSP customers and conduct regular, as-needed engagements
Onboard and engage CSSP customers to ensure operational effectiveness
Gather and maintain customer artifacts and lists on NIPR and SIPR
Assist users during security breaches, providing clear updates and guiding them through mitigation steps
Monitor and take action on Vulnerability Disclosure Program (VDP) reports for DISA Global CSSP customers
Serve as the bridge between the customer and internal security engineers to escalate and address threats
Help customers meet DoD, CJCSM 6510.01b, and other regulatory requirements
Oversee documentation revisioning and updates as required per CJCSM 6510.01b and support any CSSP inspections
Provide customers with necessary documentation on their security postures
Qualification
Required
Active DoD Secret security clearance is required; ability to obtain and maintain a Top-Secret clearance with SCI eligibility
Bachelor's degree and a minimum of four (4) years of relevant experience in cybersecurity or a related field; equivalent experience and/or cyber security certifications may be considered in lieu of a degree
Proven experience in a cybersecurity, IT support, or customer-facing role
Strong understanding of cybersecurity principles and best practices
Familiarity with CJCSM 6510.01b and other DoD cybersecurity regulations
Experience working with NIPR and SIPR environments
Excellent troubleshooting and problem-solving skills
Strong communication, interpersonal, and customer service skills
Ability to explain complex technical concepts to non-technical users
Bachelor's degree in Cybersecurity, Information Technology, or a related field (or equivalent experience)
Preferred
Prior experience working with DISA and/or DoD networks
Advanced knowledge of TCP/IP, common networking ports and protocols, traffic flow analysis, system administration principles, the OSI model, defense-in-depth strategies, and standard security components
In-depth expertise in the architecture, engineering, and operational aspects of at least one enterprise-grade SIEM platform (e.g., ArcSight, QRadar, LogLogic, Splunk, Elastic)
Demonstrated experience with malware analysis concepts and methodologies
Advanced certifications such as SANS GIAC (e.g., GCIA, GCIH, GLSC) or CompTIA CASP+
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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