Software Engineer; Python - Clearance and Polygraph

Software Engineer (Python) - CLEARANCE and POLYGRAPH REQUIRED

Pay Range: $/yr - $/yr

Python, C++, and Spark

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

• Must be a US Citizen
• Must have TS/SCI clearance w/ active polygraph
• At least eight (08) years of direct/relevant experience
• Bachelor’s degree in computer science or related discipline from an accredited college or university is required
• Four (04) years of additional relevant experience on projects with similar processes may be substituted for a bachelor’s degree
• 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
• General understanding of SNORT signatures.
• Familiarity with SCADA/industrial systems and related protocols.

• 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.

• Affordable healthcare options with 80% employer‑paid premium PLUS a company‑funded HSA
• Dental insurance with 100% employer‑paid premium
• Vision with 80% employer‑paid premium
• Employer‑paid Life insurance 100%
• Employer‑paid Short‑term and Long‑term disability 100%
• Annual training, continued education, and professional memberships reimbursement
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
• Annual reimbursement for technology i.e. phones, computers, printers, etc.
• 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

• Professional development investment and paid time off for training
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida and Hawaii
• Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get‑Togethers
• Leadership Team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low‑income status or any other status or characteristic protected by applicable law.

Job applicants can submit questions about CTI’s equal employment opportunity policy to

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.

The pay range for this job, with multi‑levels, 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.