124 jobs for "Senior Information Security Engineer"

Description

Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Due to success of continued growth - the Electronic Warfare Division at Leidos (in Arlington, VA or San Diego, CA) currently has an opening for a Senior Signal Processing Engineer.

As an EW Senior Signal Processing Engineer, you will be responsible for research, design, and development of signal collection, processing and dissemination systems. Duties may include designing, developing, and analyzing systems for the extraction of information from signal sensors. You will support the Division by achieving program objectives, leading technical teams - and participate in business development activities. The ideal candidate will possess superior analytical and problem-solving skills, operate independently with limited supervision and feedback, be a strong team player, and have the ability to establish solid working relationships with technical staff members and peers within the division as well as our external Government customers.

Regular tasks will include a mix of the following:
- Develop novel and advanced algorithms, performance simulation, and analysis - using simulated and real data in both time series and spectral domains
- Serve as Technical Team Lead
- Lead or support marketing and business development initiatives: develop technical solutions and new ideas for response to capture efforts (e.g., BAAs, RFPs etc.)
- Participate in, and/or lead, lab-based and field testing
- Lead and/or engage in multiple projects
- Communicate results in briefings and written material to your team, the Customer and management

At Leidos, we offer competitive benefits http://www.leidos.com/careers/pay-benefits, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in Electronic Warfare!

Basic Qualifications:
- Must be U.S. Citizen with an active Secret clearance and the ability to obtain a TS/SCI level clearance
- Bachelors with 12+ years prior relevant experience, or Masters with 10+ years prior relevant experience
- Fluent with tools such as MATLAB, Linux, Mathematica, Python, Simulink - and languages such as C/C++, Java etc.
- Working knowledge areas such as digital filtering, spectral estimation, detection and estimation theory, linear algebra and stochastic processes
- Demonstrated leadership of small multi-disciplinary technical teams and/or projects
- Demonstrated strong oral and written communication
- Experience working in EW, SIGINT and/or radar fields as a technical leader

Preferred Qualifications:
- Doctoral degree
- Business Development and Capture experience (e.g., Proposals, white papers etc.)
- Experience working in a Research and Development (R&D) environment

NOTE: for this position the salary range will be $180,000 - $270,000 for qualified candidates with an active clearance and the ability to obtain a TS/SCI clearance. Must be able to work onsite in our Arlington, VA or San Diego, CA offices.

NKE

Electronic Warfare

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

July 31, 2026

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 $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About Leidos

https://www.leidos.com/

Size: 10,000+ employees
Industry: Technology: B2B Tech Services

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