ACAS Engineer

Advanced Onion, Inc.; Monterey (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Advanced Onion, Inc. seeks a Senior ACAS/Tenable Lead to design, implement and manage Tenable/Nessus solutions in DoD environments. You will administer Tenable apps on RHEL, requiring strong Linux admin and networking skills.

The role coordinates with admins, security engineers, and leaders to sustain and extend ACAS capabilities, while guiding a small team and delivering timely scan results. Excellent communication and leadership are essential.

Qualifications

• Experience administering Tenable applications on Red Hat Enterprise Linux.
• Strong Linux OS and network troubleshooting skills.
• Leads DoD ACAS/Tenable initiatives in unclassified and classified environments.

Responsibilities

• Lead design, engineering, implementation, optimization and mgmt of ACAS/Tenable solutions.
• Coordinate with system admins and security engineers; manage the ACAS support team.
• Train junior staff and deliver accurate scan results on time.
• Develop scan policies, zones and dashboards; interpret findings and recommend remediation.
• Interface with government client to explain dependencies and risks; provide progress updates.
• Produce technical, functional, and team-lead reports; respond to incidents.

Skills

Linux system administration

ACAS/Tenable/Nessus

DoD security architectures

Team leadership

Stakeholder communication

Networking concepts

Tools

Tenable/Nessus/ACAS

Job description

Certification Requirements: DoD 8570 IAT II (e.i. Security+)

Further position details:

This senior role leads the design, engineering, implementation, optimization, and management of Tenable/Nessus/ACAS solutions in unclassified and classified DoD environments. The engineer will administer Tenable applications hosted on Red Hat Enterprise Linux, so strong Linux system administration and troubleshooting skills are required. The role also requires working knowledge of networking concepts, including the ability to identify and clearly communicate required ports, protocols, and connectivity dependencies.

The lead will coordinate with system administrators, security engineers, and organizational leaders to sustain existing capabilities and engineer new ACAS/Tenable solutions as coverage scope, mission needs, or technical requirements change. Responsibilities include managing a small team of ACAS support engineers, training junior staff, and delivering accurate scan results to customers on time. Strong communication, team leadership, and interpersonal skills are essential. Experience with complex DoD security architectures is strongly preferred. The lead will also interface directly with the government client to explain resource needs, communicate technical dependencies and risks, and provide clear progress updates on projects and operational work.

Develop and maintain scan policies, zones, and dashboards; interpret findings and recommend remediation; support risk management processes and packages; configure systems to meet applicable federal requirements, including STIGs, FISMA, and FIPS; create and maintain SOPs; respond to incidents and support maintenance; produce technical, functional, and team-lead reports; train staff; and manage the ACAS support team. Other duties may be assigned.

EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.

This position is currently accepting applications.