Platform Administrator – Tenable.io

Job ID: 112015
Location: St. Louis, Missouri  [On-Site]
Category: Infrastructure
Employment Type: Contract
Date Added: 02/09/2026
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We are seeking a skilled and dedicated Infrastructure Platform Administrator to join our IT Security team. The successful candidate will be responsible for managing and maintaining our vulnerability management platform using Tenable.io. This role involves skills in tool deployment and enablement of scan tool capabilities to maintain and expand our infrastructure security posture.

Key Responsibilities:

  • Tool Deployment: Experience in scanner deployment and installation of scan tool application.
  • Vulnerability Management: Utilize Tenable.io to conduct vulnerability scans (authenticated and non-authenticated), discovery scans, and configuration scans to identify risk and assess reachability.
  • Infrastructure Maintenance: Manage and maintain the infrastructure platform, ensuring optimal performance and security.
  • Compliance: Ensure compliance with industry standards and regulatory requirements related to vulnerability management.
  • Continuous Improvement: Stay updated with the latest security trends and technologies to enhance the vulnerability management process.
  • Credential Management: Platform and Operations support for authenticated vulnerability scanning; including credential management used for authenticated vulnerability scanning; including remote network vulnerability with credentials and agent based. Qualifications:
  • Experience: Minimum of 5 years of experience in IT security, with a focus on vulnerability management.

Required Qualifications

  • Strong knowledge of network and system security principles.
  • Solid understanding of Vulnerability Management best practices and processes.
  • Hands-on experience as a System Administrator, with a focus on Linux environments.
  • Experience with agent deployment and credential management.

Preferred Qualifications

  • Proficiency with Tenable.io for vulnerability scanning and management.
  • Experience with Tenable.sc.
  • Scripting experience using Python and Shell.
  • Experience with the ServiceNow Vulnerability Response module.
  • Familiarity with threat intelligence concepts and tools.
  • Experience working with or implementing AI-driven security solutions.

Soft Skills:

  • Excellent analytical, problem-solving, and communication skills. Ability to work independently and as part of a team.
Publishing Pay Range: $75. 00 – $80.00 Hourly 

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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