Senior/Principal Security Engineer Job at Iceberg Cyber Security (New York City)

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

Senior/Principal Cybersecurity Engineer - Embedded Systems

We are seeking hardworking, self-directed, results focused individuals who have ...

Location

United States , Albuquerque

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A 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
The ability to obtain and maintain a DOE Q clearance
The ability to obtain and maintain an SCI clearance, which may may require a polygraph

Job Responsibility

Perform research, capability development, and analyses using empirical, analytical, and computational techniques to secure, design, and analyze embedded systems
Work with other researchers across the Labs over the capability development cycle to discover, model, validate, and apply new or existing cybersecurity capabilities to embedded systems
Support Sandia's numerous test programs, working to analyze proposed systems to support design, and analyze test data to validate models
Help cultivate relationships, grow existing programs, and develop new programs with both new and existing customers across US government agencies
Collaborate closely with peers and management across the Labs

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

Senior/Principal Systems Engineer, Hypersonics

Do you have a passion for Model Based Systems Engineering (MBSE) and speak SysML...

Location

United States , Albuquerque, NM;Livermore, CA

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A 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.
The ability to obtain and maintain a DOE Q-level security clearance and Sigma 15 clearance.

Job Responsibility

Implement approaches for MBSE and Digital Engineering to incrementally advance standard methodologies in Systems Engineering on active developmental programs
Develop and implement project plans for product development efforts
Work on programs for missile, air, and space defense, and associated pathfinder technologies as part of a dynamic team that develops and modernizes our Nation's most critical weapon systems to ensure strategic deterrence for America

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

Senior/Principal Software Engineer

Our platform is PHP, MySQL, and AWS, which we leverage to deliver exciting new f...

Location

United Kingdom , London

Salary:

Not provided

Arrive

Expiration Date

Until further notice

Requirements

Highly skilled and proficient coding in PHP, with strong skills in adjacent areas such as TypeScript, React, JavaScript or Python
A desire and willingness to learn other languages in particular Golang
Proving technical leadership and direction to your team and contributing to the wider engineering organisation
Deep technical understanding of MySQL and relational databases, particularly database performance tuning
Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics
Experience of troubleshooting and fixing performance issues in a full-stack application
from browser to the database
Experience of software architecture and presenting technical designs to your team and stakeholders
Demonstrable expertise and understanding of API development/design and experience interfacing with disparate systems
Excellent communicator with a self-starter attitude and comfort working autonomously

Job Responsibility

Participate in Scrum ceremonies and work with your colleagues, stakeholders and third parties, to align on requirements and deliver a user experience you can be proud of
The role requires demonstrable experience of backend development using PHP and MySQL, and includes full lifecycle development of RESTful APIs and web apps which can operate at scale on AWS
You will appreciate the benefits of TDD/BDD, ensuring all code is tested and reviewed to the highest standards, and adapt quickly to changing environments, concepts and emerging technologies to assist in the future roadmap of our products
As a team, we are responsible for the health of the systems we build. You should understand performance tuning and optimisation, and how to diagnose technical issues across local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for developing, deploying, operating and monitoring our team’s deliverables
As the senior engineer in the team, you will set the technical standard for the team
offering mentoring and support to your team-mates

Senior/Principal ASIC Digital Design Engineer

Idaho Scientific designs and deploys secure system solutions through novel CPU d...

Location

United States , Boise; Salt Lake City

Salary:

Not provided

Idaho Scientific

Expiration Date

Until further notice

Requirements

US Citizenship (no exceptions)
Proven work experience designing and fabricating an ASIC (no exceptions)
Ability to get a security clearance
Solid technical background with at least 5 years of experience in FPGA or ASIC product development
Ability to communicate clearly in person and in written documentation
Degree in Computer Engineering, Computer Science, Electrical Engineering or related field
In-depth knowledge and experience with digital architectures and design methods such as RTL coding, synthesis, place-and-route, timing closure, constrained-random and formal verification
Strong analytical and problem solving skills
Extreme attention to detail
A willingness to roll up one’s sleeves to get the job done

Job Responsibility

Collaborate with team leaders to explore and clearly identify real problems and solutions
Develop and define the microarchitecture of new Idaho Scientific IP to optimize performance, I/O, power consumption, area utilization, recurring cost and security functions
Implement and simulate IP blocks in RTL using SystemVerilog, VHDL, and other languages
Integrate complex systems that instantiate both Idaho Scientific and third party IP
Contribute to all aspects of design success from specification to production
Apply our state-of-the-art IP to ASIC and FPGA products in the real world
Define and improve high-quality design methods and processes
Mentor and guide other ASIC design engineers

What we offer

Competitive Pay
Flexible Work Schedule
Health Benefits and Insurance
Retirement fund contributions
Profit Sharing
Generous Paid Time Off Policy

Fulltime

Principal Software Engineering Manager

This is a Research Efficiency Platform team which provides leadership, direction...

Location

India , Noida

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

12+ years engineering experience with hands-on coding (C#, Python, C++, Java, or similar)
8+ years building large-scale systems or cloud platforms
4+ years managing senior/principal engineers with proven people development skills
Strong problem-solving, organizational, and leadership abilities (judgment, resolution, negotiation)

Job Responsibility

Build and lead a high-performing team of senior/principal engineers focused on security researcher productivity and platform capabilities
Mentor engineers through complex technical challenges and career growth, fostering a culture of innovation and collaboration
Drive engineering excellence and accountability while inspiring curiosity and continuous learning
Develop technical talent through hands-on coaching on distributed systems, cloud architecture, and platform design
Design and architect scalable platforms that accelerate security researcher workflows and productivity
Drive modern engineering practices: design reviews, code quality, data-driven decisions, and comprehensive testing strategies
Partner with security, infrastructure, and platform teams to build reliable, secure, and observable services
Remain hands-on with code: C#, Python, or equivalent languages
contribute to critical architectural components
Establish roadmaps aligned with security researcher needs and platform priorities

Fulltime

Senior/Principal R&D Systems Engineer

The W80-5 Systems Engineering team has an immediate opening for a R&D S&E, Syste...

Location

United States , Albuquerque;Livermore

Salary:

139900.00 - 280600.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A 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
Ability to acquire a DOE Q level security clearance

Job Responsibility

Execute a qualification strategy and program that provides qualification data used to verify the design meets requirements
Oversee activities (tests, modeling/simulation, analysis) that support qualification
Develop test objectives, allocation of requirements to tests, and identification of test data needs to support verification activities
Support test leads with test planning, execution, and analysis
Support the development and implementation of the system RQ-V
Provide briefings to different levels of management and program partners
Problem-solve with multi-disciplinary teams across the Nuclear Security Enterprise (NSE)

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

Fulltime

Software Engineer II

Are you excited about building AI-powered capabilities that help protect our cus...

Location

India , Hyderabad

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

3+ years of industry-experience building/delivering high-quality software
3+ years of experience in cloud-based services, AI-powered features, and full-stack capabilities
Excellent communication skills and ability to collaborate within a multi-disciplinary team
Expertise in C#, Java, C++ or equivalent programming languages
Proficient in Secure Software Development Life Cycle
BS, MS, or PhD degree in Computer Science, Mathematics, Engineering or related fields or related course work
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Job Responsibility

Design, build, deploy and manage cloud services that will help end users stay and feel safe from cyber threats
Focus on fast paced ideate/create/learn cycle and measurable value growth through the experiences you build
Work with Senior/Principal Engineers, Program Managers, and other Security Engineering disciplines to deliver core features for our security solution
Ensure code quality
Provide thought leadership in bringing innovation to our products and engineering practices

Fulltime

Senior/Principal Security Engineer

Iceberg Cyber Security

Location:
United States , New York City

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
May 16, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Senior/Principal Security Engineer

Cleared Senior/Principal Systems Engineer - Nuclear Safety Assessment

Senior/Principal Cybersecurity Engineer - Embedded Systems