SOFTWARE DEVELOPER II

Lumen Technologies

6d • Remote

About The Position

Lumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress.
We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future.
The Role
About Black Lotus Labs
Black Lotus Labs is the threat research and intelligence arm of Lumen Technologies, leveraging unmatched global network visibility to identify, track, and disrupt malicious cyber activity at scale. The team uses large-scale network telemetry and machine learning to automate protection, proactively neutralize threats, and keep the internet clean.

Role Overview
Black Lotus Labs is seeking a Software Developer to design, build, and deploy ML-driven systems that detect, and classify advanced cyber threats across massive internet-scale datasets. This role works closely with data engineers, security researchers, and threat intelligence analysts to operationalize machine learning models that directly support threat hunting detection and automated defense.
Location
This is a remote position open to candidates based anywhere in the U.S.

Requirements

• Strong programming skills in Python with experience building production-grade ML pipelines.
• Experience working with large-scale or distributed data systems (e.g., Spark, Hadoop-based ecosystems, or similar)
• Understanding of data structures, algorithms, and statistical analysis.
• A strong desire to learn and play with new technologies and techniques.
• Experience with iterative development methodologies and practices.

Nice To Haves

• Experience applying ML in cybersecurity, threat intelligence, threat detection, or network analysis domains.
• Familiarity with graph analytics, network flow data, or internet infrastructure modeling.
• Exposure to MLOps practices, model monitoring, and production deployment at scale.
• Background working alongside security analysts, reverse engineers, or security research teams.

Responsibilities

• Design, develop, and deploy machine learning models in collaboration with security researchers and threat intelligence analysts to identify and validate malicious actors and behaviors across large-scale network telemetry.
• Work with petabyte-scale datasets and distributed data platforms to operationalize ML models in production environments supporting real-time or near–real-time detection.
• Collaborate with threat intelligence analysts and security researchers to translate attacker TTPs into scalable ML-driven detections.
• Build data pipelines and feature engineering workflows that enhance intelligence datasets with more actionable insights and context.
• Document models, methodologies, and results for internal stakeholders.

Benefits

• Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing.
• We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees