Senior ACAS Engineer / Team Lead - Tenable, Nessus, RHEL - Active Secret

Cornerstone Technology Enterprises is seeking a Senior ACAS Engineer to lead vulnerability scanning operations for a mission-critical Department of Defense government customer. You will own the design, engineering, and day-to-day management of Tenable/Nessus/ACAS solutions across unclassified and classified environments, and you will lead a small team of ACAS support engineers.

This is a hands-on technical leadership role. You will administer Tenable applications on Red Hat Enterprise Linux, keep scan coverage accurate and on schedule, and serve as the government customer’s go-to expert on ACAS resource needs, dependencies, and risks., * Design, implement, optimize, and sustain Tenable/Nessus/ACAS solutions in unclassified and classified DoD environments

• Administer and troubleshoot Tenable applications hosted on Red Hat Enterprise Linux
• Develop and maintain scan policies, scan zones, and dashboards, and engineer new capabilities as coverage scope and mission needs change
• Identify and clearly document the ports, protocols, and connectivity dependencies that scanning requires
• Interpret findings, recommend remediation, and support RMF processes and authorization packages
• Configure systems to meet STIG, FISMA, and FIPS requirements, and create and maintain SOPs
• Lead, train, and mentor a small team of ACAS support engineers, and make sure the team delivers accurate scan results on time
• Brief the government customer on resource needs, technical risks, and project and operational status, and produce technical and team-lead reports

• Active Secret clearance
• DoD 8570/8140 IAT Level II certification (e.g., Security+)
• 5+ years of experience in systems engineering or vulnerability management
• Hands-on experience administering Tenable/Nessus/ACAS
• Strong Red Hat Enterprise Linux administration and troubleshooting skills
• Working knowledge of networking, including ports, protocols, and connectivity
• Strong communication and team leadership skills, * Experience with complex DoD security architectures, including classified environments
• Experience leading or training technical staff
• Experience supporting RMF/ATO packages
• Familiarity with STIG implementation and compliance reporting

Working Environment

This is a fully remote position. The selected candidate must comply with all customer security, equipment, access, and remote-work requirements., * How many years of experience do you have administering ACAS, Tenable Security Center, or Nessus? Which tools did you personally install, configure, upgrade, or maintain?

• Do you have hands on experience administering and troubleshooting Red Hat Enterprise Linux servers? Briefly describe your responsibilities.
• Have you led a technical support team, trained junior engineers, and provided technical updates directly to government customers? Briefly describe your experience.

Experience:

• systems engineering or systems administration: 5 years (Required)

License/Certification:

• CompTIA Security+ (Required)

• 401(k) matching
• Dental insurance
• Employee discount
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Retirement plan
• Vision insurance

Cornerstone Technology Enterprises, Inc. is a Veteran-Owned Small Business with more than 25 years of experience supporting federal technology programs. Our capabilities include software development, database administration, cloud engineering, cybersecurity, data engineering, DevSecOps, and IT operations.