Sr. Tenable Security Engineer
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 9, 2026. Revolutional scores B on the Alion truth index.
Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.
Title: Sr. Tenable Security Engineer
Location: Onsite - Washington, DC (telework at client discretion)
Terms: Full-time
Salary: $150K - $185K
Clearance: Public Trust
Travel: Minimal - occasional CONUS travel (approximately one week per year)
Position Description
We are seeking a Sr. Tenable Security Engineer to serve as the Subject Matter Expert leading the development, improvement, integration, deployment, and ongoing maintenance of the enterprise Vulnerability Management solution for a federal cybersecurity engineering program. This role keeps vulnerability and configuration compliance scanning accurate, complete, and on schedule across IT, cloud, and operational technology (OT) environments, executes the platform’s improvement plan, and provides operations and maintenance support, including after-hours support for the platform. The environment includes the Tenable suite of products (Vulnerability Management, Security Center, Nessus, Cloud Security, and OT Security), integrated with ServiceNow GRC/IRM, an enterprise data lake/data warehouse, an Elastic Security Stack SIEM, and hardware and software asset management solutions.
The successful candidate will:
- Lead development, deployment, and maintenance of the vulnerability management solution.
- Deliver accurate, on-schedule vulnerability and compliance scanning and reporting.
- Execute the Tenable capability improvement and maturity plan.
- Keep the platform patched, highly available, and reliably integrated with enterprise systems.
Responsibilities:
- Lead the development, improvement, integration, deployment, and ongoing operations and maintenance of the Tenable suite, including vulnerability management, cloud security, and OT security.
- Perform vulnerability scanning of enterprise assets at least weekly, and report results with a risk assessment within three business days of scan completion; provide direct access to or automated feeds of scan results.
- Engineer Tenable systems for visibility into all applicable IT endpoints using active and passive scanning capabilities.
- Provide routine and ad-hoc vulnerability reporting to stakeholders, including the Security Operations Center (SOC).
- Implement and support the Baseline Configuration Standard process, including creating new baselines, updating existing ones, and deploying and reporting configuration compliance scanning of all IT assets.
- Configure and customize Tenable audit files for each approved configuration baseline (STIGs, CIS, and other industry benchmarks), and conduct automated baseline compliance scans every 30 days, as requested.
- Gather and maintain system configuration information (operating systems, key software and versions, and interdependencies) for identified assets.
- Execute the Tenable Capability Improvement and Maturity Plan and Strategy, and support its assessment, gap analysis, and periodic updates.
- Support integration of Tenable with ServiceNow GRC/IRM, the enterprise data lake/data warehouse, the Elastic Security Stack SIEM, and hardware and software asset management systems.
- Apply software patches and upgrades and maintain 99.9 percent uptime for vulnerability management systems.
- Provide after-hours, weekend, and holiday engineering support for the vulnerability management solution, responding within 30 minutes to outages or disrupted availability.
- Write and update Standard Operating Procedures for administering and maintaining the solution, and review them quarterly.
- Research, develop, and maintain future vulnerability management capabilities as required.
Required Skills and Experience
- Bachelor’s degree in Computer Science, Information Technology, Business, Management, or a related discipline from an accredited institution and 10 or more years of experience in the discipline.
- 8 or more years of experience with Tenable engineering and implementation.
- Experience with the administration of information systems.
- Experience managing and leading technical projects.
- Experience working in a cybersecurity program.
- Tenable Vulnerability Management, Tenable Security Center, or Tenable OT Security certification.
- CISSP or equivalent certification.
Desired
- Experience supporting federal government contracts as a contractor, including working to contract deliverables, performance standards, and client change management and approval processes.
- Experience with federal Continuous Diagnostics and Mitigation (CDM) programs.
- Experience scanning OT and industrial control system (ICS) environments.
- Experience with DISA STIG and CIS benchmark compliance scanning.
- Scripting and API automation experience (Python, PowerShell).
- Experience with Linux (RHEL) and Windows system administration.
Work Authorization/Clearance: Must be a US Citizen and have or are able to obtain a Federal Government Public Trust clearance.
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Here at Revolutional we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include:
- Recognized as a Top 20 "Best Place to Work in Virginia"
- Recipient of Department of Labor's HireVets Gold Medallion
- Great Place to Work Certification for five years running
- A Virginia Chamber of Commerce Fantastic 50 company
- A Northern Virginia Technology Council Tech 100 company
- Inc. 5000 list of fastest growing companies for eleven years
- Two-time SBA SBIR Tibbett's Award winner
- Virginia Values Veterans (V3) Certification
We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Revolutional family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to
- Traditional and HSA- eligible medical insurance plans
- 100% employer-paid dental and vision insurance options
- 100% employer-sponsored STD, LTD, and life insurance
- 5% 401(k) company matching
- Flexible-schedules and teleworking options
- Paid holidays and PTO Accrual Plans
- Paid Parental Leave
- Professional development and career growth opportunities
- Team and company-wide events, recognition, and appreciation-- and so much more!
Check out our Revolutional | LinkedIn to find out a little more about who we are and if we are the right next step for your career!
Revolutional is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Revolutional does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact [email protected].