Principal Protection Engineer Jobs

Principal Product Security Engineer

Atlassians can choose where they work – whether in an office, from home, or a co...

Location

Australia; New Zealand , Sydney; Brisbane; Auckland

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Demonstrated expertise and experience working in security-focused roles
In-depth experience in data protection and privacy
Experience with application security, especially web applications
Experience in cloud security architecture and infrastructure
Experience coding in Java, Javascript, Python, or Go, and at least one scripting language
Experience leading large-scale projects from start to finish and mentoring other security practitioners
Adept experience providing SME knowledge and guidance to stakeholders and engineering functions.

Job Responsibility

Promote automation
Review platform and service designs and architecture
Drive our security teams to equip the engineering partner teams with the latest tools, techniques and methodologies to improve data security
Partnering with our security teams and leadership groups across Atlassian's vast footprint to uplift our security programs.

What we offer

health coverage
paid volunteer days
wellness resources

Fulltime

Principal Solutions Engineer

As a Principal Solutions Engineer at Valimail, you will play a critical role at ...

Location

United States

Salary:

160000.00 - 180000.00 USD / Year

Valimail

Expiration Date

Until further notice

Requirements

7+ years in a customer-facing technical role (e.g., Solutions Engineer, Sales Engineer, or Technical Account Manager), preferably in cybersecurity or SaaS
Deep understanding of email security technologies (e.g., SPF, DKIM, DMARC, phishing protection, secure email gateways, DNS) and modern threat landscapes
Exceptional communication and presentation skills, with the ability to explain technical concepts to both technical and non-technical audiences
Proven track record of working collaboratively with Sales, Product, and Customer Success teams
Experience engaging with enterprise customers, including conducting POCs and managing complex security evaluations
Passion for customer advocacy and an instinct for identifying opportunities to create value across the customer lifecycle
Bachelor's degree in Computer Science, Information Security, or a related technical field (or equivalent experience)
Reside in a Central Time or Eastern Time location

Job Responsibility

Serve as a primary technical resource supporting new logo, expansion and renewal sales cycles
Conduct tailored product demos, domain analyses, and technical deep-dives that showcase the value of our email security platform to prospective customers
Collaborate closely with Account Management and Product to relay customer feedback and advocate for features and enhancements that improve user experience and adoption
Develop and deliver technical documentation content to support customer onboarding and education as well as Sales team onboarding and continuing education on the product and the competitive landscape
Contribute to industry events, webinars, and public-facing thought leadership in partnership with the Marketing and Advocacy teams
Act as a subject matter expert (SME) on DMARC and other authentication technologies, threat trends, and integration strategies across complex enterprise environments
Serve as a key company contact for security-related inquiries, including completing security questionnaires for potential clients and partners. Collaborate with internal teams to support current security certifications and pursue future ones like FedRamp renewals.

What we offer

Competitive pay + a comprehensive benefits plan including health, dental, + vision coverage
Remote First Company, you can work anywhere within the US
Unlimited and flexible PTO

Fulltime

Principal Security Engineer

We’re building a world-class global Security team as part of our Trust Program. ...

Location

India , Hyderabad

Salary:

Not provided

Highspot

Expiration Date

Until further notice

Requirements

10+ years of robust, progressive experience in security engineering, application security, DevSecOps, incident detection and response, or closely related fields
Advanced proficiency in at least one programming language (Python, Ruby, Go, Rust, JavaScript), with deep experience conducting detailed code reviews and security assessments across multiple languages
Hands-on experience with deploying, operating, and interpreting results from security tools such as static analyzers, web vulnerability scanners, supply chain analysis scanners, and host-based intrusion detection systems
Demonstrated experience mentoring, coaching and guiding junior and mid-level security engineers, contributing to a strong team culture, and supporting peer development as a senior individual contributor
Demonstrated proactive approach, strong continuous learning orientation, and curiosity about emerging threats, security trends, and innovative technologies
Extensive expertise securing cloud-native environments (AWS, Azure, GCP, containers, microservices), with in-depth knowledge of modern cloud security risks and defenses
Demonstrated ability to embrace being wrong, practice humility, continuously learn from experiences, and actively seek insights through thoughtful questioning and collaboration

Job Responsibility

Lead comprehensive application security assessments, advanced threat modeling sessions, and secure code reviews across critical product features, internal tooling, endpoints, and third-party integrations
Collaborate strategically with product engineering to establish and enhance secure-by-default and privacy-by-design practices within the software development lifecycle (SDLC)
Lead and otherwise participate in incident detection, investigation, triage, containment, and root cause analysis for high impact security incidents, providing mentorship and guidance to junior engineers as required
Drive the development and continuous improvement of sophisticated detection rules, response automation, and optimized alert management across cloud environments, corporate infrastructure, and SaaS platforms
Lead and participate in complex vulnerability remediation processes, and effectively respond to security issues discovered by both internal teams and external sources
Document technical findings and strategic decisions in a clear and accessible manner, and procedural enhancements
significantly contribute to comprehensive security playbooks and knowledge repositories
Manage and oversee asksecurity@ request handling, and actively participate in sprint-based security activities, balancing strategic and tactical execution
Actively participate in the security on-call rotation, or provide senior-level guidance as required during an event and aid in rapid response capabilities to protect our 24x7 platform and global workforce

Fulltime

Principal Engineer, Software - Android

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees ...

Location

United States , Bellevue; Denver; Overland Park; Frisco

Salary:

133500.00 - 240700.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

7+ years technical engineering experience
Experience in mobile software development using Kotlin, Jetpack Compose or Android SDK
Developing sophisticated Android mobile applications
Experience building a scalable customer facing application used by millions of customers
Provide on-call and in-person support for troubleshooting, isolation, maintenance, operations, patching, incident management, problem management, build and deployments for owned software and systems
Hands on experience in developing mobile networking, REST web-services, understanding large and complex code bases that involves mobile, backend and external SDK integration
Designing mobile application using VIPER, Factory, DAO, MVVM, MVC, Delegate, Builder, Adapter, Singleton and Facade design patterns and architecture
Experience in API design, SDK architecture, and mobile software lifecycle development practices
BS degree in Computer Science, Information Technology, or equivalent experience
Communication

Job Responsibility

Drives projects with the Product, UX/UI and Backend teams to design, build and extend consumer facing new products, platforms, and features
Improve product quality through code reviews, writing effective unit tests
Ability to digest feature requirements and high-level end to end design to guide in coding approach and work breakdown
Ability to produce a low-level design document to detail feature implementation
Presents project improvement scenarios to management for consideration
Lead development team in building native functionality with optimization and expansion to support T-Mobile’s Digital First mission
Present highly technical concepts to both technical and non-technical decision-makers
Continuously learns, builds content, and guides others specific subject areas
Informally coaches and gives to the development of others through mentoring or in house workshops and learning sessions
Develops engineers across functional teams on technology decisions

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

Principal Software Engineer RR Level 3

We're responsible for prototyping and developing new technologies and novel solu...

Location

United States , Annapolis Junction

Salary:

Not provided

Anthem Engineering

Expiration Date

Until further notice

Requirements

Polygraph Required
Onsite work at customer location required
Experience with TypeScript and JavaScript
Experience with React, Angular, Material UI, Bootstrap, Storybook
Experience with Java, Spring Boot
Experience with Elasticsearch, MongoDB, MySQL
Experience with npm, Webpack, Maven
Experience with Jest, JUnit
Experience with Git
Ability to learn and grow

Job Responsibility

Prototype and develop new technologies and novel solutions to issues within the division
Work closely with analysts to understand their workflows, identify gaps, and create solutions that make things easier and more effective
Work on a variety of constantly changing applications and services that support a wide array of missions
Build tools that ingest, process, and analyze large volumes of information
Provide direct support to forces protecting Americans
Organize, process, and visualize a source of information for critical intelligence
Identify and track critical assets using geospatial tools and analytics
Apply AI/ML algorithms to real-world problems
Provide advice and recommendations to Government customers
Choose the right tools to address each challenge

Fulltime

Principal Security Governance Engineer

The Principal Security Governance Engineer will lead the development and impleme...

Location

United States , San Francisco

Salary:

183800.00 - 295200.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Security, or a related field
10+ years of experience in security governance, risk management, and compliance, preferably in a large-scale SaaS/Product environment
Strong knowledge of cybersecurity principles, technology-related regulations, and IT governance frameworks
Experience in leading security awareness and training programs
Excellent communication, documentation, presentation and leadership skills, with the ability to influence and engage stakeholders at all levels
CRISC, CISSP, CISA, or equivalent certifications are preferred.

Job Responsibility

Design and implement comprehensive security governance frameworks and risk management strategies using Atlassian products, tools and systems
Evaluate and report on the effectiveness of security controls and compliance with relevant laws and regulations, including HIPAA
Collaborate with cross-functional teams to integrate security practices into all aspects of the organization
Assume the HIPAA Security Officer role to ensure compliance with HIPAA security requirements
Develop and maintain policies and procedures to protect sensitive health information in Atlassian products and services
Conduct security audits and assessments to ensure ongoing compliance and address any gaps
Develop and implement security awareness and training programs to mitigate human risk factors
Conduct regular training sessions and workshops to educate employees on security best practices
Monitor, evaluate and improve HRM programs such as phishing simulations, mandatory training, threat intelligence liaison and audit support
Provide leadership and guidance to the Security Governance team, fostering a culture of security awareness and continuous improvement

What we offer

benefits, bonuses, commissions, and equity

Fulltime

Principal HVDC R&D Expert

You will own R&D for next-gen HVDC systems and circuit breaker technology, valid...

Location

Netherlands , Arnhem / Nijmegen area

Salary:

Not provided

Octagon Professionals

Expiration Date

Until further notice

Requirements

An MSc or PhD in Electrical Engineering with proven experience in HVDC systems and high-voltage switchgear or circuit breakers
Hands-on experience with arc-quenching technologies and a deep understanding of SF6-alternatives for GIS
A strong background in power-system modelling and simulation
Familiarity with European (specifically KEMA/IEC) testing and certification workflows

Job Responsibility

Lead research and development on HVDC system architecture, covering modelling, simulation, control and protection, and system-level analysis
Own R&D for next-generation HVDC systems and circuit breaker technology, from modelling to validated prototypes
Validation and test planning for SF6-free approaches in collaboration with European partners and certification bodies in Arnhem
System-level analysis to support grid-ready designs and productization

Staff Security Engineer

At hyperexponential, we’re building the AI-powered platform that enables the wor...

Location

United Kingdom , London

Salary:

Not provided

hyperexponential

Expiration Date

Until further notice

Requirements

Built or significantly contributed to security programmes from the ground up, establishing foundational security controls, compliance readiness, and incident response capabilities
Designed and implemented security architecture for cloud-based distributed systems (AWS or equivalent), including multi-account strategies, identity and access management, network security, and data protection
Driven technical security improvements by writing code, building tools, and implementing controls that scaled with company growth
Integrated security into development workflows through DevSecOps practices including automated testing, secrets management, container security, and infrastructure-as-code security
Led or supported compliance initiatives (SOC2, ISO27001, GDPR, or similar), mapping technical controls to compliance requirements and guiding teams through audit cycles
Built trust with engineering teams by contributing technically and making security collaborative and frictionless
Balanced security rigor with business goals, making risk-based trade-offs that enabled growth while protecting customers and the business
Evaluated security implications of AI/ML systems, including understanding AI-specific risks and implementing controls to secure them

Job Responsibility

Build hx's security programme from the ground up, setting direction for security architecture, compliance, and incident response as we scale globally
Design and implement security controls across AWS cloud infrastructure, Kubernetes workloads, and our multi-product platform, ensuring systems are secure by design
Integrate security into engineering workflows by embedding automated security testing, vulnerability management, and threat detection into CI/CD pipelines without slowing teams down
Lead or contribute to compliance initiatives (SOC2, ISO27001) by implementing technical controls and working cross-functionally with legal, engineering, and business teams to enable enterprise sales
Build security automation and tooling by writing code and scripts that scale security practices, detect vulnerabilities, and enforce policies efficiently
Partner with Engineering Managers, Principal Engineers, and Product Managers to embed security thinking early in design and architecture decisions
Act as a trusted voice in critical moments: responding to incidents, unblocking teams on security questions, and keeping high-stakes initiatives secure and on track
Assess and secure AI-powered systems across hx's platform, implementing controls that enable safe adoption of AI while mitigating risks like prompt injection, data leakage, and model vulnerabilities

What we offer

£5,000 training and conference budget for individual and group development
25 days of holiday plus 8 bank holidays (33 days total)
Company pension scheme via Penfold
Mental health support and therapy via Spectrum.life
Individual wellbeing allowance via Juno
Private healthcare insurance through AXA
Income protection and Life Insurance
Cycle to Work Scheme
Top-spec equipment (laptop, screens, adjustable desks, etc.)
Regular remote and in-person hackathons, lunch and learns, socials, and game nights

Fulltime

Principal Protection Engineer

PSC Consulting

Location:
New Zealand, Auckland ▼
Christchurch

Category:
Energy

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 11, 2025

Expiration:
December 21, 2025

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PSC Consulting

Location:New Zealand, Auckland ▼Christchurch

Category:Energy

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:December 11, 2025

Expiration:December 21, 2025

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Location:
New Zealand, Auckland ▼
Christchurch

Category:
Energy

Contract Type:
Not provided

Job Posted:
December 11, 2025

Expiration:
December 21, 2025