Security Engineer

Washington, DC


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Type: Contract-to-Hire

Category: Security

Industry: Government

Reference ID: JN -052026-106816

Date Posted: 05/07/2026

Shortcut: http://careers.eliassen.com/mrAgbM


Description:

Onsite in Washington, DC

 

Our client seeks a Security Engineer to support a federal cybersecurity mission that protects critical transportation infrastructure. The role focuses on endpoint vulnerability management, risk assessment and mitigation, and clear communication with technical and non-technical stakeholders. You will collaborate with cross-functional teams, administrators, and federal counterparts to drive remediation, reporting, and continuous improvement of security posture. Experience with Tenable Nessus and federal frameworks is important.

 

Due to federal security clearance requirements, applicant must be a United States Citizen or Permanent Resident with an active Public Trust clearance. This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

 

Rate: $40.00 to $48.00/hr. w2

 


Responsibilities:
  • Engage with federal leadership and counterparts to identify endpoint vulnerabilities and provide guidance on remediation actions.
  • Coordinate with system and application administrators to meet remediation timelines.
  • Develop and enhance vulnerability identification and remediation status tracking and reporting to present cyber risks.
  • Troubleshoot issues associated with endpoint vulnerability scanning with administrators and federal counterparts.
  • Work cybersecurity operations ITSM (ServiceNow) tickets to completion.
  • Participate in cybersecurity and security operations meetings.
  • Collaborate on and provide feedback to cybersecurity solutions that enhance overall security posture.

Experience Requirements:
  • Six years in cybersecurity or related IT fields; or Bachelor’s degree with five years; or Master’s degree with four years.
  • Hands-on experience with endpoint vulnerability scanning solutions, specifically Tenable Nessus.
  • Experience with federal cybersecurity requirements such as FISMA and NIST 800 series.
  • Strength in vulnerability management, risk assessment and mitigation, and comprehensive remediation.
  • Ability to explain vulnerability management concepts to audiences unfamiliar with the domain.
  • Ability to collaborate and coordinate with cross-functional teams.
  • Familiarity with the vulnerability management lifecycle, application and technology stacks, cloud systems, operating systems, databases, networking, and firewalls (preferred).
  • Familiarity with DLP, endpoint security software, network IDS/IPS, host-based IDS/IPS, and cybersecurity best practices and industry standards including NIST RMF and NIST CSF (preferred).

Education Requirements:
  • Bachelor’s degree preferred; Master’s degree may substitute for experience as noted.
  • Relevant certifications such as Security+, CISSP, CISM, CISA, GCIH, OSCP, or CEH.

Recruitment Transparency Notice
 
Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (noreply@eliassen.com, 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.
 

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact fraud@eliassen.com.

 
About Eliassen Group:
 
Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.
 
Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.
 
Don’t miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!
 

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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.


Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.

Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group

If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.

Please ensure that you are working directly with us by confirming the following:

  • When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
  • Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above