Leidos has a new and exciting opportunity for a Protocol Analyst-3 in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including 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 National Security!
Job Summary:
Are you looking for interesting and meaningful ways to apply your knowledge and talents? Our corporate vision at Leidos is to be the global leader in the development and application of technology to solve our customers' most demanding challenges.
We’re looking for a Protocol Analyst to join our team in Fort Meade, Maryland, supporting development operations. Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now!
Job Responsibilities/Qualifications:
- Mission Focus: Perform computer protocol analysis and session reassembly of known and unidentified protocols. Recognize the characteristics, functions and formats of different networks (e.g., Synchronous Optical, Wireless LANs, Closed). Develop methods, tools and/or computer-based programs to process analytic problems. Explore and test multiple avenues of discovery.
- Technical Proficiency: Disseminate results of signal analysis and provide data to customers and partners. Log signals-related information and update files on signal characteristics in relevant databases. Analyze new algorithms and protocols. Document analytic tradecraft and methodology. Interpret output of specialized tools and computer-based programs.
- Qualifications: Bachelor’s degree plus 8 years of relevant experience, or a master’s degree plus 6 years of relevant experience, or a Doctoral degree plus 4 years relevant experience. A high school diploma or GED plus 12 years of relevant experience, or an associate’s degree plus 10 years of relevant experience will be considered for those who have completed one of the following military training courses: 451 (Intermediate Signals Analysis) or 452 (Advanced Signals Analysis), or who have participated in or graduated from the Military COMINT Signals Analysis Program (MCSAP).
- Security Clearance Requirement: Candidates must possess an active TS/SCI with Polygraph clearance to be considered for this role.
- Desirable Skills: Deep understanding of data link layer OSI model, network stack, and network architecture. Packet Capture (PCAP) Analysis and use of Wireshark. Experience with hybrid cloud architectures integrating private cloud resources and external services such as data management and O&M. Experience using AMOD tools such as XKS.
At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!
Careers.leidos.com
conmd
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:April 16, 2025For 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.
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.
Skills Required
- Bachelor's degree plus 8 years of relevant experience
- Master's degree plus 6 years of relevant experience
- Doctoral degree plus 4 years of relevant experience
- High school diploma plus 12 years of relevant experience
- Associate's degree plus 10 years of relevant experience with specific military training
- Active TS/SCI with Polygraph clearance
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.









