Sr. Cybersecurity Network Defense Admin

Ops Tech Alliance
Radford, VA

Sr. Cybersecurity Network Defense Admin

Active security clearance required.

Ops Tech Alliance (OTA) is seeking a Senior Cybersecurity Network Defense Administrator to support PL ALTESS at Radford Army Ammunition Plant, VA, under Task Area 3 – Cybersecurity. The administrator operates ACAS scanning infrastructure per DISA ACAS Best Practices and manages PKI tokens, DISA Whitelist, PPSM, and AESS site reviews.

This position is contingent upon contract award.

Responsibilities

• Operate ACAS scanning infrastructure per DISA ACAS Best Practices.
• Serve as AESS Site Reviewer; manage DISA Whitelist submissions.
• Administer PKI tokens and PPSM registrations.
• Drive STIG compliance across network-defense systems.

Required Qualifications

• 10+ years cybersecurity / network defense experience.
• Security+, CISSP, or equivalent (IAT/IAM per DoD 8140).
• ACAS infrastructure and scanning per DISA ACAS Best Practices.
• AESS Site Reviewer; DISA Whitelist; PKI Tokens; PPSM; STIG compliance.
• Active SECRET clearance.
• U.S. Citizenship.

Desired Qualifications

• Tenable.sc or Tenable.io advanced experience.
• CCNA Security or Palo Alto PCNSE.
• Prior experience supporting Army enclave boundary defense.

Company Overview

Ops Tech Alliance (OTA) was founded by former National Security and Special Operations professionals with over 100 years of combined experience and was formed with a singular focus: to bridge the gap between operations and technology to enable mission success. We are a certified Service-Disabled Veteran-Owned Small Business (SDVOSB).

Team Member Benefits

  • Competitive Pay
  • Paid Time Off
  • Tuition Assistance
  • Medical, Prescription, Dental & Vision Coverage
  • Life Insurance
  • Work-life Balance

Our employees have achieved incredible things working on some of the most important technology and security projects in locations around the world to safeguard national security. We focus on hiring top talent and we want you to join our team.

OTA is an Equal Employment Opportunity employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Posted 2026-06-19

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