Principal Critical Systems Engineer Job at Cundall (Dublin)

Principal System Security Engineer

Owl’s Principal System Security Engineer ensures our mission-critical security p...

Location

United States , Columbia

Salary:

Not provided

Owl Cyber Defense

Expiration Date

Until further notice

Requirements

Bachelor’s Degree in a technical discipline (Master’s degree preferred)
Twelve+ years of experience in security and vulnerability analysis
Five+ years in a security leadership position
Cross-Domain Solutions (CDS) Familiarity
Experience with secure software development principles
Strong communication and collaboration skills across product teams
Excellent problem-solving and critical-thinking skills
Understanding of Agile/Scrum methodologies and tools (Git, JIRA)
Ability to prioritize tasks effectively
Experience in hiring, scaling teams, and managing remote engineering teams

Job Responsibility

Work as a cross functional technical engineer to provide system engineering, cyber security, solution architecture and product integration across various internal teams
Lead system and security engineering and integration reviews of new features and capabilities in current product portfolio and new products
Conduct technical deep dive TEMs and security architectural reviews
Work to understand the operational, functional and security requirements as they relate to mission and deployment environments
Work with solution architects and sales engineers to ensure system designs, implementations, configurations and integrations into operational environments are compliant from a security perspective
Assist in design engineering and development efforts to implement Raise the Bar (RTB) compliance
Facilitate products through the Cross Domain Solutions (CDS) processes
Support the development of related technical and information/ decision briefs, as well as patching and upgrades briefings
Collaborate with software development and network operations teams to integrate secure data transfer practices into the Software Development Lifecyle
Work with SW developers to ensure RTB compliance

Principal Safety Engineer - Product Safety Mechanical Systems

The Principal Safety Engineer – Product Safety shall provide support to the Engi...

Location

United Kingdom , Barrow-in-Furness

Salary:

65.00 - 87.83 GBP / Hour

Morson Talent

Expiration Date

Until further notice

Requirements

Proven ability of writing safety justifications, safety arguments and supporting complex safety cases
Demonstrable knowledge of design, manufacturing, assembly, commissioning and testing submarines lifecycle phases
Awareness of the challenges posed by the environment that the product will be exposed to
MS Office proficient – Word, Excel etc.
The ability to analyse complex problems and identify the most critical issues
Ability to interpret technical data and produce clear, logical and robust safety arguments
The successful candidate will need to hold a UK MOD Security Clearance to SC level prior to starting

Job Responsibility

Support Mechanical System Owners in the production of their System Design Safety Justifications
Produce, present and articulate clear and logical technical safety arguments
Complete peer reviews, checking, verification and assurance tasks to demonstrate the adequacy and robustness of the Safety Case and supporting documentation
Support Product Safety hazard and risk identification, management and assessment activities
Understand the application of the wider Safety Case, Quality and HSE Management System documentation
Ensure the adequacy of Safety arguments demonstrating satisfaction of Product Safety requirements
Support collaboration and communication between the Product Safety and Mechanical Engineering teams

Fulltime

Principal/ Sr Principal Backend Engineer

Endor Labs is on a mission to enhance developer productivity and accelerate open...

Location

India , Bengaluru

Salary:

Not provided

Endor Labs

Expiration Date

Until further notice

Requirements

Bachelor's degree in engineering with at least 18+ years of experience building scalable backends for product/SaaS companies, with a strong track record of leading and delivering complex technical projects
Proficiency in Golang is strongly preferred
experience with other modern backend languages, microservices/distributed architecture, and frameworks is a plus
Practical experience in designing APIs with one or more frameworks (gRPC [preferred], ReST, GraphQL, Thrift, etc.)
Excellent problem-solving and debugging skills, and effective communication and leadership abilities are a must
Scalable Distributed System Experience - understand micro-services and domain-driven design, load balancing, horizontal/vertical scaling, and stateless architectures
Architecture - knowledge of data structures and a keen eye for building architectures that scale and extend easily for longevity
Ability to discuss tradeoffs between architecture’s choice to influence groups to move in the right direction
Able to enjoy working in a fast-moving environment with evolving requirements
Ability to solve problems creatively and independently when in uncharted or unfamiliar territory

Job Responsibility

Play a pivotal role in architecting and building the core backend infrastructure for our SaaS products
Lead and contribute to large-scale technical projects, ensuring the scalability, reliability, and performance of our systems
Design, architect, and build features end-to-end while working closely with Product Management, and our distributed Engineering team
Play a significant role in driving innovation, making critical architectural decisions, and leading the implementation of cutting-edge technologies
Mentor and coach team members by sharing your expertise, and promoting best practices within the team to foster a culture of continuous learning and growth

Cleared Senior/Principal Systems Engineer - Nuclear Safety Assessment

We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience ...

Location

United States , Albuquerque

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
An active DOE Q clearance, or equivalent is required to start
High proficiency in foundational science and engineering principles, including safety-analysis methods such as fault-tree analysis, failure modes and effects analysis (FMEA), and margin quantification
Experience with systems engineering for nuclear or high-consequence weapons systems, including applying system-of-systems thinking to ensure end-to-end functionality
Proven ability to lead complex technical projects on schedule, mentor team members, and deliver high-quality products, with demonstrated leadership experience as a project manager, technical lead, principal investigator, or similar role
Understanding of nuclear surety and reliability requirements, including familiarity with nuclear weapon safety standards, related DOE orders, and the SNL nuclear weapon product realization process
Background in reliability engineering or advanced margin-quantification frameworks
Excellent technical writing and executive presentation skills
Proven ability to work on challenging engineering problems in a fast-paced, collaborative team environment requiring extensive cross-organizational teamwork

Job Responsibility

Independently review detailed technical documents and identify salient issues related to nuclear safety
Engage with weapon system, component design, assurance, and other surety organizations
Maintain awareness of issues related to design, development, production, maintenance, and dismantlement of weapon systems
Assess tests, materials, and components for adequacy against requirements
Evaluate procedures, product specifications, and standards for compliance
Lead independent safety assessments of nuclear weapon systems and components, analyzing responses under thermal, shock, vibration, and EMI/EMC environments
Define problem scope and requirements, develop technical approaches, and apply quantitative and qualitative methods (e.g., fault-tree, FMEA, margin quantification)
Design experiments or simulations to evaluate safety-critical subsystems, collaborating with system and test engineers to verify requirements
Develop analytical frameworks and digital models to support risk-informed decisions
Mentor junior engineers in safety-analysis techniques and review their deliverables for technical accuracy

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

Principal Electrical Engineer

About the Position

Location

Canada , Winnipeg

Salary:

Not provided

Republic Architecture Inc

Expiration Date

Until further notice

Requirements

A registered Professional Electrical Engineer with strong leadership skills
A minimum of 10 years of related experience
A working knowledge of Revit MEP for the production of drawings is preferred
Strong design skills, motivated by a collaborative environment

Job Responsibility

Assessing and evaluating existing electrical systems
Leading the design of electrical building systems for renovation and new build projects
Collaborating with design team and mentor design staff to produce schematic design, design development, tender, and construction documents that meet the project requirements within the allocated schedule and budget
Overseeing development of design concepts and ensuring proper application and execution
Conducting site surveys, gathering critical field data and performing condition assessments
Maintaining and expanding current knowledge of technologies and trends, as they apply to applicable projects and continually strengthening skills
Maintaining relationships with existing clients and pursuing new opportunities
Develop and maintain design practices and standards for a new electrical department
Develop and mentor staff within the electrical department

Senior Principal Engineer

The Core Engineering Compute Platform team is responsible for powering all of At...

Location

India , Bengaluru

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Strong technical expertise and 12+ years experience in designing/building enterprise grade public cloud or platform as a service solutions
Proven experience in a senior engineering leadership role, preferably in a large-scale, distributed systems environment
Deep understanding of cloud computing, Kubernetes, microservices architecture, and container orchestration technologies
Experience building and operating large scale distributed systems using cloud technologies from AWS/Azure/GCP
Focus on business outcomes and the 80/20 rule
very high bar for output quality, but recognize the business benefit of 'ship small, ship fast and iterate’ vs ‘building for perfection’
Passion for engineering rigor and operational excellence (design principles and patterns, unit testing, best practices for security and privacy, CI/CD etc)
You will be a role model for operational responsibility and data-driven engineering rigor
Excellent collaboration, communication and leadership skills
Ability to get engineers to follow their lead as well as mentor/coach

Job Responsibility

Collaborate with other core engineering teams and internal customers to help define technical direction and OKRs for the Compute Platform team
Collaborate with cross-functional teams to ensure seamless integration and deliver a seamless compute platform experience
Evaluate and implement new technologies and frameworks to enhance platform capabilities, designed with security, performance, and scalability in mind
Own key OKRs and end-to-end outcomes of critical projects in a globally distributed environment
Develop and execute a strategic vision for the compute platform that aligns with the company’s goals and objectives
Identify opportunities for innovation and improvement in platform services and developer tools
Own engineering and operational excellence for the health of our systems and processes
Proactively drive opportunities for continuous improvements and own key operational metrics
Continually drive developer productivity initiatives to ensure that we unleash the potential of our own team
Help hire and mentor engineers to build an open, innovative and operationally responsible culture

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Senior Principal Engineer Core Data Platform

As an engineer well into your career, we know you're an expert at what you do an...

Location

United States , Seattle; San Francisco; Mountain View

Salary:

198300.00 - 318600.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field
12+ years of experience in backend software development, with a focus on distributed systems and large-scale storage solutions
8+ years of experience designing and managing highly available, large-scale storage architectures in cloud environments
5+ years of hands-on experience working with AWS storage services (S3, EBS, EFS, FSx, Glacier, DynamoDB)
Proficiency in system design, performance optimization, and cost-efficient architecture for exabyte-scale storage
Expertise in at least one major backend programming language (Kotlin, Java, Go, Rust, or Python)
Experience leading technical strategy and architectural decisions in large, multi-team engineering organizations
Strong understanding of distributed systems principles, including consistency models, replication, sharding, and consensus algorithms (Raft, Paxos)
Deep knowledge of security best practices, including encryption, access control (IAM), and compliance standards (SOC2, GDPR, HIPAA)
Experience mentoring senior engineers and driving high-impact engineering initiatives

Job Responsibility

Collaborate with partner teams and internal customers to help define technical direction and OKRs for the Core Data platform organization
Regularly tackle the largest and most complex problems on the team, from technical design to implementation and launch
Partner across engineering teams to take on company-wide initiatives spanning multiple projects
Routinely tackle complex architecture challenges and apply architectural standards and start using them on new projects
Work across senior engineering and product leaders to build strategy and design solutions to earn customers trust and business
Own key OKRs and end-to-end outcomes of critical projects in a microservices environment
Champion best practices and innovative techniques for scalability, reliability, and performance optimizations
Own engineering and operational excellence for the health of our systems and processes
Proactively drive opportunities for continuous improvements and own key operational metrics
Continually drive developer productivity initiatives to ensure that we unleash the potential of our own teams

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Principal Software Engineer

As a Principal Software Engineer at Global-e, you will design and deliver the co...

Location

United States , Hoboken, NJ

Salary:

Not provided

Global-e

Expiration Date

Until further notice

Requirements

7+ Years of Experience: A proven track record building large-scale, customer-facing applications in a fast-paced environment (e-commerce, fintech, tech startups a plus)
Distributed Systems Expertise: Familiarity with designing, deploying, and operating resilient, fault-tolerant systems that handle high traffic
Engineering Practices Proficiency: Hands-on experience with Agile methodologies, CI/CD pipelines, and rapid release cycles
Strong Database Skills: Ability to optimize and scale applications involving complex data interactions

Job Responsibility

Deliver High-Impact Features: Lead the design, development, and deployment of new capabilities across logistics (fulfillment, labels, tracking) and order management workflows
Shape Technical Architecture: Define, communicate, and guide architectural decisions to ensure scalability and reliability
Elevate Standards: Champion clean code, best practices, and robust testing frameworks, pushing the team to achieve technical excellence
Scale the Product: Propose and implement features, tooling, and infrastructure that support exponential growth and operational efficiency
Ensure Quality & Reliability: Employ a rigorous approach to verification, focusing on stable, high-performing systems that meet critical metrics and SLAs
Move Fast with Confidence: Embrace a rapid, iterative release cycle, balancing speed and safety through CI/CD pipelines, effective monitoring, and efficient processes
Collaborate & Share Knowledge: Work closely with other engineering teams, product managers, and stakeholders to ensure alignment and share expertise
Write Code in Scala: Contribute high-quality Scala code (no prior Scala experience required, just a passion for learning and an interest in functional programming)

What we offer

Impact at Global Scale: Build features used by millions, simplifying global commerce and transforming the e-commerce landscape
Modern Technology Stack: Work on an advanced microservices platform, leveraging cloud-native tools and best-in-class engineering practices
Growth & Development: Expand your expertise through challenging projects, mentorship opportunities, and professional development programs

Principal Critical Systems Engineer

Cundall

Location:
Ireland , Dublin

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 01, 2026

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