Assurit ยท 1 month ago
Senior System Security Specialist
Fairfax, VA
Full-time
Onsite
Senior Level
5+ years expAssurit is currently seeking an experienced Senior System Security Specialist to support one of their clients. The role focuses on defining security requirements and developing solutions for Multilevel Security (MLS) environments, analyzing MLS challenges, and ensuring that applications meet strict security requirements.
ComplianceConsultingCyber SecurityInformation TechnologyNetwork SecurityPenetration TestingSoftware
Responsibilities
Analyze and define security requirements for Multilevel Security (MLS) architectures and applications
Evaluate approved security products and determine their applicability, strengths, and limitations in MLS environments
Develop technical solutions that address MLS challenges, including data separation, access control, labeling, policy enforcement, and system interoperability
Recommend enhancements to systems, architectures, or configurations based on MLS requirements and risk considerations
Review designs, requirements, and technical documentation to ensure alignment with MLS constraints and mission needs
Collaborate with engineering, security, and program teams to guide the secure development of high-level applications
Provide expert insights on MLS policies, system behaviors, and technical safeguards
Produce clear documentation, reports, and recommendations that support certification, accreditation, or audit activities
Support troubleshooting and problem resolution related to MLS constraints or system behavior
Qualification
Required
Bachelor's degree in Information Security, Computer Science, Engineering, or a related discipline; or equivalent experience
Strong understanding of MLS concepts, including data classification, labeling, access control models, and trusted computing bases
Experience analyzing system architectures and identifying MLS-related risks and constraints
Strong communication skills with the ability to produce clear and accurate technical documentation
Proven ability to work across technical teams to solve complex security challenges
5+ years of specialized experience in defining computer security requirements for high-level or mission-critical applications
5+ years of specialized experience in evaluating approved security products for MLS applicability
5+ years of specialized experience in developing solutions to complex MLS problems
Preferred
Experience supporting MLS environments in federal, defense, or classified settings
Knowledge of trusted operating systems, cross-domain solutions, or high-assurance architectures
Familiarity with security frameworks and guidance such as NIST SP 800-53, NIST SP 800-37 (RMF), NSA or CNSS policies
Professional certifications such as: ISSP, ISSEP, GSLC, GSEC
Benefits
Medical and dental coverage
Paid time off
Company
Assurit
Assurit provides cybersecurity solutions including threat detection, disaster recovery & penetration testing to organizations.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase