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318 - Senior Python Developer Ft. Meade, MD Software Engineer/Developer – 0005-0023 / Full-time / On-site apply for this job About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients.  We provide support to multiple agencies across the United States Government.  ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support. As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients.  That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.  ARSIEM is looking for a motivated Senior Python Developer with the right knowledge, skills, and abilities to support a new cybersecurity initiative.  You will work closely with a small team and mission stakeholders to capture requirements, create parsers for network protocols, develop fingerprints and signatures to identify suspicious and anomalous network activity, and deploy solutions to customer supported tools to automate and enable data and metadata analysis. This position will support one of our government clients in Fort Meade, MD. Responsibilities * Collaborate closely with customers to overlay network datasets through an existing architecture with the ABYSS product.   * Integrate parsers and signatures into ABYSS and develop tradecraft for front end sensors. * Develop parsing and processing of network protocols to populate customer data repositories. * Prototype and develop analytic workflows to automate tasks such as profiling network traffic/activity and detecting/alerting based on network changes. Minimum Qualifications * Bachelor's degree in Computer Science, plus 8 years of relevant experience or equivalent.  * Proficiency with Python, C++, and Spark.  * Experience with Jupyter Notebooks, JIRA, Confluence, and Git/Gitlab.   * Understanding of ASDF and TCLD.   * Knowledge of XKEYSCORE/ABYSS fingerprints. Preferred Qualifications * General understanding of SNORT signatures.   * Familiarity with SCADA/industrial systems and related protocols.​ $191,000 - $214,000 a year The ARSIEM 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) job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws. Benefits: For an overview of our benefits, please visit our benefits tab. https://www.arsiem.com/careers/ Original Posting Date: 2025-10-20 Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a U.S. citizen for consideration. Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $10,000, and the referrer is eligible to receive the sum for any applicant we can place within 12 months of referral. The bonus is paid after the referred employee reaches six months of employment. ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. apply for this job ARSIEM Home Page
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