JFL CONSULTING, LLC · 21 hours ago
Information System Security Engineer (ISSE) - Top Secret Clearance (SCI Eligible)
Washington,DC,US
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expJFL Consulting, LLC provides advanced network security solutions to U.S. Government and commercial clients. They are seeking a highly skilled Information System Security Engineer (ISSE) to support the design, development, and accreditation of a DoD network environment, ensuring compliance with stringent cybersecurity requirements.
CommercialCyber SecurityGovernmentNetwork Security
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Lead security engineering efforts for a new DoD network, ensuring end-to-end security integration across design, build, and deployment phases
Establish repeatable processes and procedures to track and mitigate risks throughout the project lifecycle
Provide technical risk assessments and present findings to senior leadership in both written reports and oral briefings
Conduct security architecture reviews for new hardware, software, baselines, and applications introduced into the environment
Collaborate with engineers to design and implement remediation and mitigation strategies
Ensure all network security measures, configurations, and controls are implemented according to DoD STIGs and best practices
Develop and update System Security Plans (SSPs), security controls, and supporting documentation aligned with NIST SP 800-53 and DoD policies
Guide RMF and A&A activities for new systems, including preparation and maintenance of full ATO packages
Document and maintain security infrastructure standards, policies, and procedures for the environment
Manage Plan of Action & Milestones (POA&M) items, ensuring vulnerabilities are tracked, documented, and resolved
Conduct ongoing risk assessments and ensure vulnerabilities are addressed in a timely manner
Qualification
Required
U.S. Citizenship and TS/SCI Clearance
8+ years of professional experience in cybersecurity, with direct involvement in RMF processes and system accreditation
Expert knowledge of the full DoD RMF process, with proven experience taking new systems through ATO
Hands-on experience with XACTA and eMASS for accreditation
Strong technical background in both Windows and Linux platforms
Proficiency in DoD STIGs, IA tools (SCCVI, SCRI, HBSS), and vulnerability scanning solutions
Ability to design security into network architectures and ensure compliance across system builds
Skilled in risk assessment, problem-solving, and troubleshooting within complex environments
Proficiency in system hardening and compliance across Windows and Linux platforms
Experience integrating IA and vulnerability management tools into enterprise environments
Strong working knowledge of DoD STIGs, RMF, and accreditation requirements
Familiarity with IA tools and compliance processes across DoD systems
Ability to apply emerging networking technologies and cybersecurity trends to system builds
Strong written and verbal communication skills to brief both technical and non-technical stakeholders
Ability to collaborate across cross-functional teams and government stakeholders
High attention to detail and organizational skills, especially in compliance documentation
Minimum Required Certification: DoD 8140 / 8570 IAT Level II-compliant certification (e.g., Security+ CE, CySA+, GCIH, CISSP)
Preferred
Bachelor's degree in Cybersecurity, Information Systems, or a related technical field is preferred
Equivalent military or professional experience may be considered in lieu of a degree
Benefits
100% employer-paid medical, dental, and vision for employees and dependents
401(k) with 3% company contribution and immediate vesting
Generous PTO policy (15 vacation, 5 sick, 2 personal days)
Reimbursement for job-related certifications, generous training budget and company provided access to training platforms.
Company
JFL CONSULTING, LLC
With more than twenty years of in-field work securing and assuring some of the Department of Defense and the Intelligence Community’s most critical networks, JFL Consulting provides comprehensive network, system and data security solutions to a range of government and commercial clients.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Chris Malvitz
Chief Information Security Officer
Company data provided by crunchbase