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STR

Machine Learning Engineer

STR · Arlington, VA

Posted about 3 months ago · $115,000 - $140,000

or apply directly on STR's site. We never take the application ourselves.

Is this posting real?

This role has been open
81 days
STR's roles stay open a median of 81 days
Reposted
No
Salary listed
Yes
99% of STR's roles list one
Ghost-job risk at STR
high
135 stale, 0 reposted of 139 open
Hiring momentum
215 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-23

Measured from postings appearing on and disappearing from STR's own greenhouse board since 2026-08-03. Full hiring picture for STR.

About this role

As a Machine Learning Engineer at STR, you will develop and integrate AI/ML models into production systems aimed at solving national security challenges. Your role involves analyzing complex datasets, collaborating with multidisciplinary teams, and creating robust backend services and user interfaces. You will also work closely with customers to prototype and iterate on solutions based on their feedback.

Our read on this posting3.0out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of STR as an employer.

What you need

  • Active Secret Security Clearance with SCI Eligibility
  • BS with 2+ years of experience or M.S in Statistics, Data Science, Applied Mathematics, Computer Science, Electrical Engineering, or other related discipline
  • Experience in applying AI/ML methods to real-world data science problems
  • Experience deploying AI/ML models and constructing analytics pipelines using modern Python-based frameworks
  • Familiarity with creating data visualizations and user interfaces or dashboards
  • Proficient with Python and the traditional data science and machine learning stack, namely NumPy, Pandas, scikit-learn, PyTorch, and matplotlib

Nice to have

  • Active Top Secret (TS) Security Clearance
  • Solid understanding of software engineering principles, including testing, scalability, observability, maintainability, and performance optimization
  • Experience working with large datasets (> 100 GB) and familiarity with big data infrastructure and frameworks such as AWS, Hadoop, Spark, Dask, or MapReduce
  • Possession of an advanced degree in a scientific field and 2+ years of relevant experience after Bachelor’s degree (work or post-graduate)
  • Experience in intelligence and military-related mission areas

What you get

  • Full-Time Salary Range: $115,000 - $140,000

Worth weighing

  • Position requires U.S. citizenship due to security clearance
  • Expect to primarily work onsite
  • Salary range is based on external market data and varies based on multiple factors

Summarised from STR's posting. Read the full original.

Listed by STR on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.

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