JFL Consulting
ACAS Cyber Systems Administrator - Top Secret Clearance (SCI Eligible)
JFL Consulting, Washington, District of Columbia, us, 20022
Job Type
Full-time
Description
With more than twenty years of securing some of the U.S. Department of Defense and the Intelligence Community's most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients. Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer's unique requirements. Visit www.jflconsulting.com
Job Description
JFL Consulting, LLC is seeking an experienced
ACAS Cyber Systems Administrator
to support vulnerability management and cybersecurity compliance for Department of Defense (DoD) networks. In this role, you will manage and optimize ACAS tools such as Tenable Nessus and Security Center, perform vulnerability scans, and collaborate with RMF and engineering teams to remediate risks and ensure system compliance.
The ideal candidate has hands-on experience with DoD STIGs, strong technical troubleshooting skills, and a proactive approach to securing both Windows and Linux environments. This is a key role supporting mission-critical operations in a high-security, fast-paced environment.
Primary Place of Performance:
Washington, DC
Mandatory Requirements:
U.S. Citizenship and TS/SCI Clearance
Years of Experience:
5+ years
Responsibilities
Build and execute vulnerability remediation plans in coordination with Systems Engineering and RMF teams Configure, schedule, execute, and troubleshoot ACAS/Nessus scans Maintain and update Security Center with successful syncs and scan results Conduct analysis of scan results and provide mitigation strategies or author POA&Ms as needed Administer and support both Windows and Linux systems with a security-focused lens Implement and analyze DoD STIGs, IAVAs, and vulnerability compliance frameworks Create and maintain documentation on vulnerabilities, remediation efforts, and RMF/eMASS artifacts Support automation of ACAS operations and contribute to scripting for system efficiencies Maintain compliance with DISA OPORDs, FRAGOs, and other DoD cybersecurity directives Troubleshoot credential failures and scanning gaps across devices and networks Provide technical support across a wide range of software, hardware, and DoD-specific applications Collaborate with military officials, IT managers, and cybersecurity professionals Contribute to broader security tasks and projects as directed by leadership Requirements
Education & Certifications:
5+ years of technical experience in IT systems or a Bachelor's degree in a related field
OR 9+ years of enterprise/global network experience or a Master's degree in a related field
Military experience may substitute for education requirements Active DoD 8570 IAT Level II certification (e.g., Security+) as required by DoDD 8570.01, 8570.01-M, and DoDD 8140.01-03
Preferred Education & Certifications
Bachelor's or Master's degree in Computer Science, Information Systems, Cybersecurity, or a related technical field Completion of the DISA ACAS Operator and Supervisor Course Advanced DoD certifications such as CASP+, CISSP, or CEH Experience supporting Risk Management Framework (RMF), eMASS, and DoD STIG compliance Technical Experience:
Strong experience with Tenable Nessus, Security Center (SC), and ACAS Familiarity with DISA STIGs, RMF, SCCVI, SCRI, and HBSS Knowledge of vulnerability management tools such as VMS and CMRS Proficient in scripting automation to support ACAS functionality Administration of Windows and Linux systems, with focus on cybersecurity Knowledge of DoD system authorization processes and documentation (e.g., eMASS) Experience with ticketing systems such as ServiceNow or Remedy Experience in network design, LAN/WAN configurations, and security architectures Ability to interpret scan results and provide risk-based analysis and remediation Experience supporting security assessments, scan configurations, and policy tuning Soft Skills:
Excellent communication skills to engage technical and non-technical audiences Effective in high-pressure situations and fast-paced work environments Strong organizational, documentation, and time-management skills Ability to work collaboratively with cross-functional teams and military stakeholders Competitive benefits package includes:
100% employer-paid medical, dental, vision plan for each employee and dependents. 401(k) plan retirement plan with 3% company match and vesting from day one. Generous leave policy including 15 vacation days, 5 sick days, 2 personal days. Reimbursement for job-related certifications, generous training budget and company provided access to training platforms.
JFL Consulting, LLC is an Equal Opportunity Employer.
We do not discriminate against any applicant for employment on any legally recognized basis including, but not limited to: race, religion or creed, color, national origin, sex, age, disability, marital status, sexual orientation, genetic information, veteran status, status with regard to public assistance or any other protected class under federal, state or local statute. It is also the policy of JFL Consulting, LLC to provide reasonable accommodations for qualified individuals with disabilities.
Full-time
Description
With more than twenty years of securing some of the U.S. Department of Defense and the Intelligence Community's most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients. Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer's unique requirements. Visit www.jflconsulting.com
Job Description
JFL Consulting, LLC is seeking an experienced
ACAS Cyber Systems Administrator
to support vulnerability management and cybersecurity compliance for Department of Defense (DoD) networks. In this role, you will manage and optimize ACAS tools such as Tenable Nessus and Security Center, perform vulnerability scans, and collaborate with RMF and engineering teams to remediate risks and ensure system compliance.
The ideal candidate has hands-on experience with DoD STIGs, strong technical troubleshooting skills, and a proactive approach to securing both Windows and Linux environments. This is a key role supporting mission-critical operations in a high-security, fast-paced environment.
Primary Place of Performance:
Washington, DC
Mandatory Requirements:
U.S. Citizenship and TS/SCI Clearance
Years of Experience:
5+ years
Responsibilities
Build and execute vulnerability remediation plans in coordination with Systems Engineering and RMF teams Configure, schedule, execute, and troubleshoot ACAS/Nessus scans Maintain and update Security Center with successful syncs and scan results Conduct analysis of scan results and provide mitigation strategies or author POA&Ms as needed Administer and support both Windows and Linux systems with a security-focused lens Implement and analyze DoD STIGs, IAVAs, and vulnerability compliance frameworks Create and maintain documentation on vulnerabilities, remediation efforts, and RMF/eMASS artifacts Support automation of ACAS operations and contribute to scripting for system efficiencies Maintain compliance with DISA OPORDs, FRAGOs, and other DoD cybersecurity directives Troubleshoot credential failures and scanning gaps across devices and networks Provide technical support across a wide range of software, hardware, and DoD-specific applications Collaborate with military officials, IT managers, and cybersecurity professionals Contribute to broader security tasks and projects as directed by leadership Requirements
Education & Certifications:
5+ years of technical experience in IT systems or a Bachelor's degree in a related field
OR 9+ years of enterprise/global network experience or a Master's degree in a related field
Military experience may substitute for education requirements Active DoD 8570 IAT Level II certification (e.g., Security+) as required by DoDD 8570.01, 8570.01-M, and DoDD 8140.01-03
Preferred Education & Certifications
Bachelor's or Master's degree in Computer Science, Information Systems, Cybersecurity, or a related technical field Completion of the DISA ACAS Operator and Supervisor Course Advanced DoD certifications such as CASP+, CISSP, or CEH Experience supporting Risk Management Framework (RMF), eMASS, and DoD STIG compliance Technical Experience:
Strong experience with Tenable Nessus, Security Center (SC), and ACAS Familiarity with DISA STIGs, RMF, SCCVI, SCRI, and HBSS Knowledge of vulnerability management tools such as VMS and CMRS Proficient in scripting automation to support ACAS functionality Administration of Windows and Linux systems, with focus on cybersecurity Knowledge of DoD system authorization processes and documentation (e.g., eMASS) Experience with ticketing systems such as ServiceNow or Remedy Experience in network design, LAN/WAN configurations, and security architectures Ability to interpret scan results and provide risk-based analysis and remediation Experience supporting security assessments, scan configurations, and policy tuning Soft Skills:
Excellent communication skills to engage technical and non-technical audiences Effective in high-pressure situations and fast-paced work environments Strong organizational, documentation, and time-management skills Ability to work collaboratively with cross-functional teams and military stakeholders Competitive benefits package includes:
100% employer-paid medical, dental, vision plan for each employee and dependents. 401(k) plan retirement plan with 3% company match and vesting from day one. Generous leave policy including 15 vacation days, 5 sick days, 2 personal days. Reimbursement for job-related certifications, generous training budget and company provided access to training platforms.
JFL Consulting, LLC is an Equal Opportunity Employer.
We do not discriminate against any applicant for employment on any legally recognized basis including, but not limited to: race, religion or creed, color, national origin, sex, age, disability, marital status, sexual orientation, genetic information, veteran status, status with regard to public assistance or any other protected class under federal, state or local statute. It is also the policy of JFL Consulting, LLC to provide reasonable accommodations for qualified individuals with disabilities.