GRVTYVerified Source

Cryptologic Computer Scientist, TS/SCI with Poly

Onsite · Washington, District of Columbia
Posted August 14, 2026
full-time

Overview

Python and Spark focused cryptologic scientist who designs, develops, and operates advanced cryptologic systems at scale. You will work with hybrid computer science and cyber threat analysis to protect networks and analyze large datasets. You will collaborate with a multidisciplinary team to translate forensics, attribution, and knowledge discovery into actionable protections and indicators, leveraging state-of-the-art techniques.

What You'll Do6

  • 1Build cryptologic solutions for forensics, attribution, and network protection using Python and Spark on large datasets
  • 2Design and deliver active and passive system analyses that generate indicators and knowledge discovery
  • 3Develop and operate cryptologic computer science tools within a scientific framework
  • 4Collaborate with engineers and analysts to integrate dataflow, anomaly detection, intrusion analysis, and data processing capabilities
  • 5Scale solutions to support critical networks and active systems monitoring
  • 6Own the end-to-end lifecycle of cryptologic software from concept through validation and deployment

Requirements7

  • 1Active TS/SCI with polygraph clearance
  • 2Doctoral degree plus 4 years of relevant experience or Master's degree plus 6 years or Bachelor's degree plus 8 years or Associate's degree plus 10 years in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or related field
  • 3At least one programming language and 4 upper-level math courses
  • 4Strong Python and Spark skills
  • 5Strong Network and Protocol Analysis background
  • 6Familiarity with customer tools, dataflow, anomaly detection, intrusion analysis, and data processing
  • 7Relevant experience in computer science, simulation/model development, mathematical modeling, algorithms, reverse engineering, or computing systems

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationWashington, District of Columbia

Required Skills

PythonSparkNetwork and Protocol AnalysisOperating SystemsCompiler TheoryDatabase TheoryAlgorithm AnalysisComputer ArchitectureDiscrete MathProgramming Language TheoryData Structures
Share:

Similar open positions

Explore active roles that match your skills and interests.

GRVTY

8h agoWashington, District of Columbiafull-time

Cryptanalytic Computer Scientist, Security & High-Performance Computing

Python and C++ powered cryptanalytic work at scale in a mission-focused team. You will design and evaluate algorithms for cryptographic and security problems, build mathematical models, and optimize cryptographic processes on high-performance computing environments. You will contribute to data analytics, data enrichment, and processing for relevant datasets while collaborating with a cross-functional team.

Competitive salary
PythonSparkC+++4 more
00100 LEIDOS, INC.

00100 LEIDOS, INC.

22d agoWashington, District of Columbiafull-time

Cryptologic Computer Scientist Leidos Washington DC

Leidos seeks a Cryptologic Computer Scientist to support development operations at Fort Meade. This role involves designing and sustaining solutions for complex cryptologic challenges while leading teams through rapid innovation. The position offers unique opportunities to impact digital forensics and network defense initiatives.

Competitive salary
Operating SystemsAlgorithmsCompiler Theory+4 more

02 CACI, INC.-FEDERAL

6d agoWashington, District of Columbiafull-time

Cloud Cyber Engineer Job with TS/SCI Poly in Washington DC

You will own the security posture of Makalu, a multi-application program bridging security domains, at CACI. You will architect and implement zero trust security features, review audit logs, and guide development teams on secure coding. Working in a Linux and Cloud environment, you will integrate DevSecOps processes to deliver mission-critical capabilities. This role demands a holistic approach to security, spanning software, infrastructure, and network. You'll directly influence how applications are built to meet IC and DoD security requirements.

75K–158K
TS/SCI clearance with PolygraphBachelor's degree in information systems or related field5+ years of relevant experience+8 more

wyetechllc

4d agoWashington, District of Columbiafull-time

Digital Network Exploitation Analyst 4

Lead a team of professionals at Wyetech to drive innovation and solve complex challenges for federal government clients. You will own critical network exploitation initiatives at a large scale while shaping the future of cybersecurity solutions. This role offers unique opportunities to impact high-stakes environments and grow your expertise in cutting-edge technologies.

Competitive salary
vulnerability analysispenetration testingcomputer forensics+5 more

Quevera LLC

8h agoWashington, District of Columbiafull-time

Senior Software Engineer Cryptography & Key Management, TS/SCI Clearance

Owns cryptography and key management software across DoD environments at scale. Lead design, development, and integration across on prem, cloud, and hybrid settings. Collaborate with a cross functional team to productize encryption libraries, authorization workflows, and key management services. This role blends leadership with hands on implementation to deliver secure software solutions.

Competitive salary
pythonjavadocker+2 more
MANTECH

MANTECH

2d agoWashington, District of Columbiafull-time

Cyber Security Analyst, Incident Response & SOC

You will own security event correlation and incident triage across enterprise networks, detecting and responding to threats in real time. You will work within a 24x7 SOC team, analyzing alerts from Windows and Linux systems and coordinating remediation. You hold IAT Level II certification (Security+ or equivalent) and thrive in high-stakes environments. This role offers direct exposure to COTS security tools and a clear path to advanced cyber roles.

Competitive salary
Security event and incident correlationCyber incident triageCyber engineering trend analysis+7 more