Senior Python Developer

Markon

8d • $100,000 - $210,000

About The Position

Markon’s partner company is seeking a motivated Senior Python Developer (Developer 3) with strong technical expertise and mission-focused experience to support a new cybersecurity initiative. In this role, you will work closely with a small team and mission stakeholders to capture requirements, create and integrate network protocol parsers, develop fingerprints and signatures to identify suspicious and anomalous network activity, and deploy solutions to customer-supported tools to automate data and metadata analysis.

Requirements

• Active TS/SCI with Polygraph.
• Bachelor’s degree in Computer Science (or related field) plus 8+ years of relevant experience, or equivalent experience.
• Strong proficiency in Python and experience with C++.
• Working knowledge of Spark for data processing and analytics pipelines.
• Experience developing in collaborative environments using: Git/GitLab JIRA Confluence Jupyter Notebooks
• Understanding of ASDF and TCLD.
• Knowledge of XKEYSCORE/ABYSS fingerprints and how they support detection and analytic missions.

Responsibilities

• Collaborate directly with customers and mission stakeholders to gather requirements and translate operational needs into technical solutions.
• Overlay network datasets through an existing architecture leveraging the ABYSS product.
• Integrate parsers and signatures into ABYSS, supporting both ingestion and analytics workflows.
• Develop tradecraft to support front-end sensors and mission-facing capabilities.
• Design, prototype, and develop network protocol parsing and processing solutions to populate customer data repositories.
• Create and maintain fingerprints and signatures used to detect suspicious, anomalous, or emerging network behaviors.
• Build analytic workflows to automate tasks such as: Profiling network traffic and activity patterns Detecting changes in network behavior Generating alerts and actionable insights based on network changes
• Support deployment of analytic components and enhancements into customer-supported tool environments.
• Produce clean, maintainable, well-documented code and collaborate through peer reviews and version control.

Benefits

• Medical
• Dental
• Vision
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• 401(k) match
• Flexible Spending Accounts
• EAP
• Training and Tuition Assistance
• Paid Time Off
• Holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 501-1,000 employees