Senior Platform Engineer/ISSE
Reston, VA
Category: Engineer
Industry: Government
Standard Hours: Open
Reference ID: JN -102026-109204
Date Posted: 10/26/2026
Shortcut: http://careers.eliassen.com/PgR8uZ
Description:
On-site in Reston, VA
Our client seeks a Senior Platform Engineer/ISSE to design, implement, and continuously monitor security controls across containerized and cloud environments. The role will secure Kubernetes platforms, integrate logging and monitoring, and align solutions with NIST RMF and related frameworks in high-impact environments. The engineer will collaborate with platform, security, and operations teams to ensure compliant, resilient, and observable systems.
This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.
Salary: $180,000 - $200,000/ yr.
Responsibilities:
- Design, implement, and maintain required security controls aligned to NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
- Secure containerized and Kubernetes environments, preferably OpenShift, including cluster hardening and runtime protections.
- Implement continuous monitoring and auditing for control compliance across IL5 to IL6+ environments.
- Configure and optimize log collection and analytics in tools such as Splunk to detect anomalies and risks.
- Execute routine security checks on a daily, weekly, and monthly cadence in alignment with NIST RMF.
- Support incident response, security incident handling, and forensic analysis.
- Integrate and operate security tools including Fortify, Acunetix, and Prisma Cloud.
- Partner with platform engineering to embed DevSecOps practices and automate security control enforcement.
- Communicate technical risks and mitigations to technical and non-technical stakeholders.
Experience Requirements:
- 7+ years as a cybersecurity engineer with proven security control design, build, and continuous monitoring.
- Hands-on Kubernetes security experience; OpenShift preferred.
- Strong skills in log collection, Splunk querying, and security analytics.
- Demonstrated experience with NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
- Experience implementing controls for cloud, container, and DevSecOps solutions in IL5 to IL6+ environments.
- Understanding of network protocols, operating systems, and core infrastructure.
- Experience conducting periodic security checks aligned to RMF.
- Proficiency in incident response and forensic techniques.
- Experience with Fortify, Acunetix, and Prisma Cloud.
- CISSP or equivalent meeting DoD 8140 requirements.
- Active TS/SCI; CI poly preferred or willingness to obtain.
- Nice to have: service mesh security knowledge (e.g., Greymatter), AWS or Kubernetes-related cloud certifications, and advanced container security tooling expertise.
Education Requirements:
- Bachelor's degree in Computer Science, Information Security, or a related field.
- CISSP or equivalent meeting DoD 8140 requirements.
- Active TS/SCI; CI poly preferred or willingness to obtain.
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.
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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