Principal Security Engineer - Blockchain Wallet Infrastructure

Location: Remote - Location: US or EU (remote-first, office optional). Must be in the US, not Canada or in the European Union. France or Paris or as close as possible, always preferred

Compensation: $220K - $300K

Join a stellar team of leaders and experts in blockchain technology, cryptography, and infrastructure to build the backbone of blockchain wallet infrastructure for the next financial era. We are hiring a Principal Security Engineer to lead security design and development across our entire platform. Reporting directly to the CISO, you will set the strategy to protect our high-stakes financial systems, fix vulnerabilities, and keep client wallets safe.

This is a strategic and highly technical role spanning the full security lifecycle. You will make security part of every layer of the stack, from architecture design to incident response. Beyond defense, you will champion secure development practices, mentor engineers, and represent the company's security posture to clients and the wider community.

Responsibilities:

Millennium Health LLC is an accredited specialty laboratory with more than a decade of experience in medication monitoring and drug testing services, helping clinicians monitor use and misuse of prescription medications and illicit drugs. The testing is used by healthcare professionals to obtain objective information about patients’ recent use of prescription medications and/or illicit drugs and helps monitor the effectiveness of treatment plans.

Under general supervision monitors and initiates claim appeals on all insurance claims and pending receivables after final bill.  This position will be expected to maintain a comprehensive understanding of general coding and billing compliance, the adjudication process and contractual obligations specific to various payers. 

The following are intended to be examples of the accountabilities for which the person in this position is responsible.  This position is not intended to be complete or all-inclusive and does not preclude management from assigning other or related functions for which the individual has demonstrated competency through performance.

We are OB Streem, a leading end-to-end logistics provider delivering intelligent and innovative solutions in Southeast Europe. Our rich heritage stems from decades of expertise with ORBIT (Orphee Beinoglou International Transports) and Makios Logistics and drives our forward-thinking approach in providing excellence in service.

We believe every journey begins with a commitment—to our clients and our team. With a deep-rooted passion and a drive to redefine industry standards, we strive to create seamless logistics solutions that empower businesses and individuals alike. Our mission is to navigate the complexities and challenges of global logistics, ensuring flexibility, reliability, efficiency, and an unwavering focus on customer satisfaction.

As part of the OB Streem family, you will be contributing to maintain a legacy of excellence while being empowered to innovate, collaborate, and make a meaningful impact every day. If you share our vision of transforming logistics into an experience of trust and reliability, we invite you to embark on this exciting journey with us.

We are actively seeking a Talent Acquisition Specialist to join our Talent Acquisition team in Marousi.

Technical Program Manager (TPM) - On-Chain Economic Security

Location: Remote - Remote - USA (ideally NYC based) open to all of USA but not PST timezones

Compeensation: $120K - $150K

We are the pioneer in automated, on-chain economic security systems, trusted by key protocols like Aave, GMX, and dYdX to secure billions of dollars in assets globally. Our platform optimizes risk management and capital efficiency using cutting-edge EVM simulations. We are seeking an accomplished Technical Program Manager (TPM) to lead strategic initiatives and drive operational excellence in decentralized finance innovation.

Reporting to a senior executive, you will be responsible for overseeing the development and deployment of critical data infrastructure solutions (Oracles), ensuring they meet the highest standards of reliability and accuracy. This role requires exceptional organizational skills, technical fluency in blockchain, and the ability to manage complex, cross-functional programs from definition through delivery.

Key Responsibilities:

CTO/Engineering Lead - Solana ZK Computation Framework

Location: Remote - North America/Asia preferred - Not a must though

Compensation: $200K - $225K

We are building the first Solana-native verifiable computation framework designed to accelerate the adoption of ZK technology and enhance Solana's vision for Internet Capital Markets. Our platform allows developers to outsource complex computations off-chain while generating cryptographic proofs that are verified on-chain. We provide a suite of developer tools and a prover network, currently supporting the RISC Zero zkVM. We are seeking a talented CTO/Engineering Lead to build and scale our engineering team.

As the technical leader, you will be critical in helping us shape the future of verifiable computation on Solana, ensuring we develop the most performant, scalable, and decentralized computation network. You will own the technical roadmap, culture, and architecture, driving our mission to add safety, verifiability, and trustlessness to the Solana ecosystem.

Key Responsibilities:

Join Mercier Consultancy MD as an Online Safety Specialist, where your fluency in Polish and English will play a crucial role in creating a safe digital environment. This position offers the exciting opportunity of paid relocation to Sofia, Bulgaria! As an Online Safety Specialist, you will be responsible for protecting our users by monitoring online interactions, investigating safety incidents, and providing insights to enhance our community standards.

Key Responsibilities

• Oversee user-generated content and communications to identify safety violations and enforce community guidelines.
• Conduct thorough investigations of reported incidents, utilizing strong analytical skills to assess situations and determine appropriate actions.
• Collaborate with cross-functional teams to develop safety policies and best practices that align with industry standards.
• Compile and present reports on safety trends and incidents to inform strategy and decision-making.
• Stay updated on the latest threats and developments in online safety to proactively address issues.
• Provide user education on online safety practices to promote a culture of awareness within our community.

Requirements

About the Job

Join Excelya, where Audacity, Care, and Energy define who we are and how we work. We believe in creating bold solutions and fostering an inclusive environment where collaboration and individual growth go hand in hand.

The Clinical Innovation Project Manager will play a pivotal role in driving innovation within clinical trials, enhancing processes, and implementing best practices to improve study designs and outcomes. This is an excellent opportunity for proactive individuals who are passionate about advancing clinical research through innovative solutions.

Main Responsibilities

The Project (Field) Engineer will deliver assigned work packages with attention to detail, participating in their allocated team for the successful execution of project or tender.

The Project (Field) Engineers are expected to:

·     Pursue innovation and improvement in engineering & design practices.

·     Pursue the concept of 'Design for safety, function and practicality / economy of fabrication', in accordance with the DOF Engineering Manual, project BoD, Client expectations, budget and schedule.

·     Understand and apply industry codes / standards required to support specific project or tendering requirements

- including AS / DNV / API / IMCA / AISC etc.

·     Ensure all technical deliverables are concise, legible, accurate and in compliance with DOF standards & templates.

·     Ensure all work is completed in accordance with the DOF Engineering Manual.

Requirements

TASKS AND RESPONSIBILITIES

Key Tasks:

Project (Field) Engineers are expected to carry out the following work tasks:

·     Assemble and review all design inputs required to support specific project or tendering works.

·     Own and be responsible for delivery of discrete work packages as allocated by your functional and administrative managers, on time and in budget

Join us as our new Senior Legal Counsel!

We are looking for an experienced shipping and offshore lawyer to join our global legal team. As Senior Legal Counsel, you will work closely with negotiating and advising on the full spectrum of our maritime contracts globally. This role is ideal for someone who thrives in a fast-paced, international environment and is confident navigating the complexities of commercial shipping and offshore arrangements.

Responsibilities:

Mission :

The Training Manager will be integrated to the O&M and Commissioning Teams.

He will be responsible for supervising the development of training books for different LNG Units of the new plant. This will be in line with COMPANY requirement.

He will be designing and developing a comprehensive training plan with programs, including curriculum, materials, and delivery methods for LNG Processing. This includes the development of a Guideline on preparation of training manual for CPY review and approval. The level of details in the training books shall be so detailed that COMPANY personnel can use them to provide additional courses after facilities have been handed over.

He will ensure proper follow up of training execution plan and assessment of trainees.

He will ensure vendor/licensor training requirement are met and in comply with project specification.

He will manage the training team composed of training coordinators*, writers, different instructors to ensure smooth delivery of the program within the allocated time. He will review and validate the training materials developed by his team before submitting to CPY. Accordingly, he will update the project training plan, define the training schedule according to the commissioning planning,

*The site training coordinators will coordinate the vendor/licensor trainers at site, follow-up with COMPANY the On-the-Job Trainings.