Active TS/SCI security clearance with a current CI Polygraph
Bachelor's degree in a STEM discipline or advanced Information Assurance certification
Current DoD 8570-compliant certification in IAT or IAM
Experience in security systems engineering across diverse computing environments
Experience implementing and assessing security controls aligned with RMF and NIST 800-53
Working knowledge of NIST guidance, DISA STIGs, and USCYBERCOM security requirements
Experience developing and reviewing cybersecurity accreditation documentation
Responsibilities
Provide expert cyber security guidance and technical recommendations to government customers
Lead the identification, analysis, and documentation of security requirements throughout the system lifecycle
Participate in network architecture reviews, security assessments, and testing activities
Collaborate with system administrators, developers, engineers, and program stakeholders to integrate security requirements
Identify and mitigate risks through RMF controls and industry best practices
Assess new hardware, software, and technologies, providing actionable recommendations
Guide system owners through Assessment & Authorization (A&A) activities
Benefits
Opportunity to influence security strategy
Work alongside government stakeholders and mission partners
Engage in a critical role supporting mission success
Collaborative environment with engineers and program stakeholders
Chance to serve as a subject matter expert on cybersecurity policies and standards
Full Job Description
Job Type
Full-time
Description
Information Systems Security Engineer (ISSE)
As an Information Systems Security Engineer (ISSE), you will serve as a trusted cyber security advisor, working alongside government stakeholders, engineers, and mission partners to architect, assess, and strengthen enterprise security solutions. This is an opportunity to influence security strategy, lead RMF efforts, and help ensure compliance across complex, evolving environments.
What You'll Do
As an ISSE, you will play a critical role in designing, implementing, and maintaining security controls that support mission success. Responsibilities include:
Provide expert cyber security guidance and technical recommendations to government customers.
Lead the identification, analysis, and documentation of security requirements throughout the system lifecycle.
Participate in network architecture reviews, security assessments, and testing activities to validate compliance and strengthen security posture.
Collaborate closely with system administrators, developers, engineers, and program stakeholders to ensure security requirements are integrated into system designs.
Identify and mitigate risks through the implementation of RMF controls and industry best practices.
Assess new hardware, software, and technologies, providing actionable recommendations to improve security and operational effectiveness.
Review and validate System Security Plans (SSPs), Security Requirements Traceability Matrices (SRTMs), and related cybersecurity documentation.
Guide system owners through Assessment & Authorization (A&A) activities and support successful accreditation efforts.
Serve as a subject matter expert on cybersecurity policies, standards, and regulatory requirements.
Requirements
To be considered, candidates must possess:
Active TS/SCI security clearance with a current CI Polygraph
Bachelor's degree in a STEM discipline (Science, Technology, Engineering, or Mathematics) or an advanced Information Assurance certification
Current DoD 8570-compliant certification in IAT or IAM
Experience in security systems engineering across diverse computing environments, including standalone, LAN, and WAN architectures
Experience implementing and assessing security controls aligned with the Risk Management Framework (RMF) and NIST 800-53
Working knowledge of NIST guidance, DISA STIGs, and USCYBERCOM security requirements
Experience developing, maintaining, and reviewing cybersecurity accreditation documentation
Experience with system hardening, vulnerability management, operating system security configuration, and account management best practices
Strong understanding of network security principles and enterprise security architectures
Preferred Qualifications
Candidates with the following experience will stand out:
Experience supporting Intelligence Community (IC) or Department of Defense (DoD) cybersecurity programs
Knowledge of Splunk
Familiarity with cloud security concepts and Amazon Web Services (AWS)
Experience using cybersecurity assessment and vulnerability management tools such as ACAS, HBSS, EVSS, Retina, or similar technologies
Experience with XACTA and cybersecurity compliance workflows
Familiarity with Cross Domain Solutions (CDS)
Experience briefing senior government leaders and stakeholders
Ability to manage multiple priorities in a fast-paced, mission-driven environment
Proven ability to work independently while collaborating effectively across technical and program teams
Your expertise matters. Your mission starts here. Apply today and help secure the systems that protect our nation.
