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Urgent! Endpoint Security as a Service (ESS) Engineer/Administrator Job Opening In Washington – Now Hiring Leidos
**Description**
**Leidos is seeking a skilled and driven Endpoint Security as a Service (ESS) Engineer and Administrator to join our team at the Washington Navy Yard — where innovation meets mission.**
**What You’ll Do**
As an ESS Engineer and Administrator, you won’t just maintain systems — you’ll _elevate_ them.
You’ll be part of a collaborative team that installs, configures, and fine-tunes advanced security solutions to ensure critical network infrastructure runs at peak performance.
You’ll also evaluate emerging technologies and shape the future of endpoint protection across a highly sensitive environment.
**Your Impact Includes:**
+ Overseeing the full lifecycle of the ESS and its agents — install, manage, maintain, and optimize.
+ Creating and deploying custom ESS signatures and policies.
+ Proactively monitoring ESS for intrusions, failures, and performance anomalies.
+ Ensuring reliable and secure endpoint operations across all clients and servers.
+ Troubleshooting ESS deployments and policy rollouts across local and remote systems.
+ Conducting threat analysis and crafting custom security rules tailored to advanced exploits and vulnerabilities.
+ Providing in-depth reporting on system health, event trends, and module performance.
+ Supporting major updates and compliance efforts, including STIG-mandated Trellix upgrades.
+ Helping design and evaluate network components and develop cutting-edge technical solutions.
**Basic Qualifications:**
+ Active **Top Secret clearance** (SCI eligible).
+ **8+ years of IT experience** , including 2+ years focused on ESS (or equivalent experience in lieu of degree).
+ **DOD 8570 IAT Level II** certification or higher.
+ Expertise in Windows Server 2016+ and endpoint platforms such as Trellix Agent, ENS FW, PA, DLP, RSD, and ePO.
+ Strong analytical skills with a knack for troubleshooting under pressure.
**Preferred Qualifications:**
+ **TS/SCI clearance** and **DOD 8570 IAT Level III** certification.
+ Hands-on experience with RedHat Enterprise Linux, VMware, Microsoft Hypervisor, or RedHat VM Manager.
+ Familiarity with SADR environments and maintaining ePO servers.
+ Completion of Basic and Advanced ESS DISA training.
If you're ready to take on one of the most vital roles in national security cyber defense — _let’s talk_ .
This is your chance to lead from the front in safeguarding critical systems at one of the country’s most strategic sites.
At Leidos, we don’t want someone who fits the mold—we want someone who melts it down and builds something better.
This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good.
You’ll fit right in.
**Original Posting:**
September 30, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $89,700.00 - $162,150.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary.
Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-00167416
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws.
Leidos is an equal opportunity employer/disability/vet.
✨ Smart • Intelligent • Private • Secure
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Unlock Your Endpoint Security Potential: Insight & Career Growth Guide
Real-time Endpoint Security Jobs Trends in Washington, United States (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Endpoint Security in Washington, United States using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 33249 jobs in United States and 548 jobs in Washington. This comprehensive analysis highlights market share and opportunities for professionals in Endpoint Security roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! Leidos is currently hiring and seeking a Endpoint Security as a Service (ESS) Engineer/Administrator to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Endpoint Security as a Service (ESS) Engineer/Administrator Jobs Washington.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Leidos adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Endpoint Security as a Service (ESS) Engineer/Administrator Jobs United States varies, but the pay scale is rated "Standard" in Washington. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Endpoint Security as a Service (ESS) Engineer/Administrator typically include Other General and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Endpoint Security as a Service (ESS) Engineer/Administrator interview at Leidos, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Leidos's products or services and be prepared to discuss how you can contribute to their success.
By following these tips, you can increase your chances of making a positive impression and landing the job!
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