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

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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, 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 $107,900.00 - $195,050.00

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.