Principal Technical Staff Job at STR (Woburn)

Staff /Sr Staff/ Principal Engineer - Lakehouse

Balbix is the world's leading platform for cybersecurity posture automation. Usi...

Location

India , Bangalore; Gurgaon

Salary:

Not provided

Balbix

Expiration Date

Until further notice

Requirements

8+ years of experience in backend software development dealing with large scale applications involving large scale data
Proven experience in defining and improving application design and architecture
Drive to discover and learn the required new technologies
Exposure to state of the art technologies for large scale data systems
Proficiency in programming languages such as Python, Scala or Java
Hands-on experience with large scale technologies such as Apache Spark, Apache Flink, Cassandra
Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform
Bachelor's or Master's degree in Computer Science, Engineering, or related field
Excellent problem-solving and analytical skills
Strong communication and collaboration skills

Job Responsibility

Collaborate with product managers, data scientists, and other stakeholders to understand requirements and translate them into technical solutions
Design, develop, and deploy high scale systems using state of the art technologies
Build reliable, consistent and high throughput data services and interfaces
Mentor junior developers and contribute to knowledge sharing within the team
Help define and ensure the best practices and guidelines across the systems
Optimize and tune applications for performance and scalability
Troubleshoot and resolve issues in production environments

Fulltime

Staff / Principal Machine Learning Engineer

Our intelligent runtime must seamlessly connect to foundational models - whether...

Location

United States , Mountain View

Salary:

240000.00 - 385000.00 USD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

A PhD in a relevant technical field, or a BA/BS degree with equivalent research and/or engineering experience
5+ years of combined experience in software development (Python, C++) and applied ML engineering
Demonstrated experience applying or researching ML in domains such as natural language processing, speech processing, and/or action planning
Strong foundation in data structures, algorithms, and neural network architectures
Proficiency with ML frameworks such as PyTorch

Job Responsibility

Experiment with and implement cutting-edge ML models and techniques to advance our core AI capabilities
Train, evaluate, and optimize production-scale models and systems, focusing on quality, latency, cost, and on-device constraints
Collaborate with product and backend teams to translate novel ideas and research findings into robust, production-ready solutions

What we offer

bonus
equity
benefits
relocation assistance

Fulltime

HPC Principal Federal Technical Consultant

Principal Consultant to join our High-Performance Computing (HPC) team. In this ...

Location

United States

Salary:

115500.00 - 266000.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

8+ years of professional experience, with at least 3+ in HPC architecture, systems engineering, or large-scale infrastructure design
Advanced degree in Computer Science, Engineering, Physics, or related technical field (or equivalent experience)
Proven ability to design and deliver complex, multi-vendor HPC solutions at scale
Demonstrated ability to independently complete solution implementations and application design deliverables
Must be United States Citizen due to the responsibilities and requirements of the role as this will be supporting a Federal site
Top Secret Clearance, TS/SCI with Full Scope Polygraph (FSP)
Must be willing to travel as the business dictates
Expertise in one or more of the following: parallel computing, MPI/OpenMP, GPU acceleration, workload schedulers (Slurm, Altair PBS Pro, Torque/MOAB, etc.), or large-scale data storage systems (Lustre, GPFS, Ceph)
Experience with Network boot technologies (PXE or gPXE/Etherboot etc)
Storage specific knowledge: LVM, RAID, iSCSI, Disk partitioning (GPT, MBR)

Job Responsibility

Lead the technical implementation design and delivery of world class scale HPC solutions, from requirements gathering to implementation
Provide architectural guidance on compute, storage, networking, and workload management tailored to customer use cases
Configure, deploy, and maintain Linux-based HPC clusters, associated storage, and network infrastructure
Work in close collaboration with customers on finalizing and deploying HPC software applications, hosting platforms, and management systems that enable customer research and production workloads
Provide technical support and troubleshooting for HPC implementation in secure locations
Work on both operational support and strategic HPC projects
actively participate in customer user group environments
Evaluate and implement new tools, middleware, and methodologies to improve operations and service delivery
Ensure compliance with enterprise IT security and technology controls
Act as principal consultant in customer engagements, often leading cross-functional project teams (including customer staff)

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

New

Senior Technical Recruiter

We’re looking for a Senior Technical Recruiter to help shape how we hire the eng...

Location

United Kingdom , London

Salary:

Not provided

DELIVER

Expiration Date

Until further notice

Requirements

8+ years of experience within technical recruitment including at least 4 years within a global tech company
Proven experience managing end-to-end technical recruitment in a fast-moving, high-growth tech or product environment
A strong track record hiring for senior & mid manager technical roles (Staff, Principal Engineers, Engineering Managers, or Technical Leaders)
Excellent sourcing and stakeholder management skills: you know how to attract, assess, and close exceptional talent in competitive markets
Data fluency: you use dashboards and insights to guide decisions and influence outcomes
Experience shaping hiring strategies and leading initiatives that improve process, equity, or candidate experience
Confidence operating autonomously while influencing senior and executive stakeholders
Familiarity with Ashby, LinkedIn Recruiter, GSuite, and market insight tools

Job Responsibility

Lead In-Store engineering hiring in the UK
Own end-to-end delivery for (senior to mid level) and highly technical roles (Principal, Staff, and Leadership-level Engineers to) across multiple engineering teams
Design and run tailored hiring strategies that balance speed, quality, and diversity always keeping candidate experience front and centre
Anticipate future hiring needs and build pipelines and relationships before demand hits
Partner with senior engineering leadership to influence hiring decisions, shape role design, and plan for long-term team growth
Use data and market insights to challenge, coach, and guide hiring managers
Work closely with In-Store Engineering Leadership and cross-functional Recruiting Teams to make sure hiring outcomes align with business priorities
Improve how we recruit: optimising processes, interview calibration, and data accuracy to help us scale
Partner with TA Operations to test new tools and bring consistency to how we measure and report recruiting performance
Mentor and support less-experienced recruiters, sharing best practices and helping them grow

What we offer

A competitive and comprehensive compensation and benefits package
Up to 5% matched pension contributions
Some roles may be eligible for share awards, giving them ownership in Deliveroo and a share in our success
Free Deliveroo Plus: free delivery and access to special offers
Team lunches from the best local restaurants
25 days annual leave plus bank holidays, increasing with length of time spent working at Deliveroo
One day of paid leave per year to volunteer with a registered charity
Funded single cover healthcare on our core plan, with the option to add family members at own cost
On-site gym (HQ), discounted external gym membership
Access to wellbeing apps such as LesMills+, Strava, Headspace, Yogaia via GymPass

Fulltime

Principal Back-End Engineer

We’re hiring a Principal Platform Engineer to lead backend and platform architec...

Location

Salary:

Not provided

PhantomBuster

Expiration Date

Until further notice

Requirements

8–12+ years in backend/infrastructure engineering, ideally in SaaS at scale
Proven track record in a Staff, Principal, or senior technical leadership role
Experience leading large, distributed, or high-complexity systems
Expert in TypeScript / Node.js, PostgreSQL, Redis, and modern caching/queuing systems
Strong cloud experience (AWS preferred), infrastructure-as-code, containers, and CI/CD pipelines
Solid grounding in system design, reliability, and security principles
Strong observability skills (metrics, tracing, logging)
Familiarity with modern AI/ML stacks: vector databases, embeddings, prompt engineering, LLM-based tools
Exceptional communicator, able to explain complex tradeoffs clearly
Pragmatic decision-maker balancing speed, quality, and sustainability

Job Responsibility

Anticipate product and infrastructure needs for growth and reliability
Set the bar for testing, observability, performance, and security
Drive code reviews on critical paths, preventing bugs and debt from reaching production
Champion AI-assisted engineering: from code generation and testing to debugging
Establish guardrails for safe and effective use of AI (human review, bias detection, security)
Identify opportunities to leverage AI internally (developer productivity, monitoring, anomaly detection)
Mentor engineers and tech leads, helping them level up
Share knowledge through workshops, design sessions, and documentation
Partner with Product, Frontend, and AI squads to ensure seamless integration and zero-downtime releases
Lead cross-functional initiatives on reliability, cost optimization, or security

What we offer

Fully remote working environment
€40/month for your Internet connection
Flexible working time
Home office budget up to €1500
100% of an Alan Blue subscription
Lunch vouchers - €8 (50% The Phantom Company) / worked day
Partnership with MokaCare
€70 a month benefit for entertainment expenses
Book Allowance and Sharing Program

Engineering Manager

The Engineering Manager is responsible for the efficiency and results of one or ...

Location

United States , Parsippany

Salary:

120000.00 - 160000.00 USD / Year

avisbudgetgroup

Expiration Date

Until further notice

Requirements

BS/MS degree in Computer Science or closely related field or equivalent practical experience
4+ years of experience managing engineers (mentoring staff/ principal engineers, setting technical direction, etc.)
Proven experience managing multi-disciplinary engineering teams (frontend, backend, API)
Strong expertise in: API Management (Apigee, Kong, Mulesoft, or AWS API Gateway)
AWS Cloud (EC2, Lambda, ECS, S3, CloudWatch, IAM, etc.)
Frontend: ReactJS, modern JavaScript (ES6+), REST/GraphQL integration
Backend: NodeJS, Java, Express, microservices, RESTful API design
Deep understanding of CI/CD, GitOps, and containerized deployments (Docker, Kubernetes)
Experience managing production-grade system, services that support Million calls per minute and optimizing performance and cost
Excellent communication and stakeholder management skills

Job Responsibility

Lead, mentor, and grow a team of ~20 engineers (frontend, backend, and API specialists)
Accountability for your team’s results, including velocity, quality, service monitoring, etc
Collaborate with Product Managers, Architects, and Designers to align technical goals with business outcomes
Acting as the point of contact for the L3 support, and owning the resolution
Driving the engineering hiring plan for the team, including screening and interviewing
Working within an Agile framework, with a focus on results over process
Reducing complexity both of system designs and of team communication
Coaching and code reviews for team members
Drive performance reviews, career development, and team engagement

What we offer

Paid time off
401K retirement plan with company matched contributions
Access to Medical, Dental, Vision, Life and Disability insurance
Eligible to elect other voluntary benefits including: Group Legal, Identity Theft, Insurance, FSA, additional life insurance coverages
Contribute up to $260 as a tax free benefit for public transportation or parking expenses
Employee discounts, including discounted prices on purchase of Avis / Budget cars
Access to an Employee Assistance Program for services including counseling, financial and legal consultation, referrals for care service, and more

Fulltime

New

Staff Software Engineer

Machine learning platform insights are fundamental to the Chewy customer experie...

Location

United States , Bellevue

Salary:

169500.00 - 271500.00 USD / Year

Chewy

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
12+ years of professional software engineering experience
at least 2+ years in a Staff- or Principal-level technical leadership role
proven success designing and delivering high-performance, distributed systems or large-scale workflows and services
strong proficiency in one or more modern programming languages (e.g., Java, Kotlin, Python)
proficiency in Terraform and Jenkins
deep understanding of system design, architecture patterns, and cloud-based deployment (AWS, GCP, or Azure)
experience integrating with or supporting ML pipelines, APIs, or data-driven applications
demonstrated ability to drive cross-team technical initiatives and influence architectural decisions
strong communication and collaboration skills, with the ability to partner effectively across engineering, product, and data science teams

Job Responsibility

Lead the design, implementation, and delivery of large-scale, distributed software systems that enable customer insights and personalization in search and recommendations
Partner with ML/Platform and Data Science teams to bring ML models into customer-facing applications
Collaborate with Principal Engineer to define technical vision and architecture for key Discovery ML workflow and delivery systems, ensuring scalability, performance, and maintainability
Collaborate with cross-functional teams to translate business objectives into robust, scalable engineering solutions
Mentor and guide engineers across multiple levels, fostering technical growth and high-quality delivery
Drive initiatives that improve developer productivity, system observability, and operational excellence

What we offer

401k
new hire and annual equity grant
medical/Rx
vision
dental
life
disability
hospital indemnity
critical illness
accident

Fulltime

Senior Program Manager

STR is hiring a Senior Program Manager (PM) in the Cyber Division who is passion...

Location

United States , Woburn

Salary:

122000.00 - 168000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Active Top Secret (TS) security clearance
U.S. citizenship
Bachelors Degree with a minimum of 5 years’ related experience
Minimum of 4 years' managing technical programs
Experienced in project management within DoD or IC
Experience directly supporting program objectives such as managing cost, schedule, and technical performance
Experience leading technical teams on advanced R&D programs
Motivated collaborator and effective communicator to both technical and non-technical audiences

Job Responsibility

Managing program technical, financial, and schedule performance
Working with the lead program manager, principal investigator, technical staff, subcontractors, and support personnel to identify and address risks and issues
Managing program performance through review of metrics and program execution milestones
Gathering, evaluating, and synthesizing data from multiple sources to understand and communicate status and to identify trends
Interacting with external program customers and internal company leadership
Managing scientists, engineers, and technicians across broad areas of expertise
Achieving cost, schedule, and customer objectives on advanced technology programs
Working in a fast-paced environment to enable successful contract execution
Building strong customer relationships and establish open lines of communication
Receiving requirements from program customer(s)

Fulltime

Principal Technical Staff

STR

Location:
United States , Woburn

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 15, 2026

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