Software Engineer III, C# Engineer

Job-ID: 11801Category: EngineeringLocation: Hanover, MD, United StatesWorkplace: HybridSchedule: Full time, DayPosted: 2026-10-27Business Unit: BU-USA_FC-USDThe Software Engineer III serves as a key member of the Oceaneering Technologies (OTECH) group. Engineers are expected to function as leads or important contributors on software efforts and proposals. This role is important to producing software solutions that meet electrical, mechanical and CONOPs needs.OTECH produces and maintains unique underwater systems – typically for US Navy and other US Government Department of Defense customers. Our projects are all one-of-a-kind. Projects range from quick burn to lifecycle management of fielded systems. This position would yield a solid depth of understanding of the software lifecycle and how it best applies to the entire fielded system.QualificationsEssential QualificationsBS Degree in Computer Science, Computer Engineering, Mathematics, Electrical Engineering or related technical field. Commensurate experience will be considered.5+ years of practical experience in software engineering.Experience with C# programming language. Solid written and oral communications skills, including ability to effectively document, convey, and present engineering concepts and products to team members and customers.Ability to obtain and maintain a United States Government Department of Defense Security Clearance.Must be a US citizen.Preferred QualificationsExperience developing in underwater vehicle or robotic software frameworks and expanding framework capabilities.Experience working on Department of War software efforts.Experience with microservices based architectures utilizing OCI-compatible containerization and Kubernetes-based orchestration.Experience with UI/UX design using Avalonia and/or WPF.Experience with Linux OS or bare metal firmware.Experience with microprocessors and single-board computer (SBC) based control systems that interface to sensors and hardware (e.g. cameras, navigation sensors, valve packs, other boards). Ability to implement and debug communication protocols including: NATS, UDP and multicast, TCP, serial protocols, SPI, I2C, CAN, etc.Experience with Jira, Git, GitHub CI.Ability to setup simple bench testing environments for communication links, board power, analog devices, etc.Proficiency using lab measurement devices such as oscilloscopes or multimeters.We offer a comprehensive and competitive benefits package. Employee benefits vary by role, however, may include Health and Wellness, Mental Health, Retirement Savings, Life and Disability, Paid Maternity and Parental Leave, Paid Time Off, Tuition Reimbursement, and an Employee Assistance Program.Compensation $118,600.00 - $177,800.00ResponsibilitiesApply working knowledge of software lifecycle to develop and begin leading software efforts.Implement decisions for designing and maintaining software architecture.Actively interface with other engineering leads, program managers and external customers.Key contributor to creation, maintenance and acceptance of project CDRL’s. This includes requirements management, software documentation, unit testing, software safety testing, and software qualification testing. Attend and present at Technical Exchange meetings.Contribute to trade studies for hardware such as navigation units, board stacks, and power monitors. Support software testing and installation on the factory floor, offsite, and offshore.Perform analysis of user requirements, concept of operations documents, and high-level system architectures to develop system requirements specifications.Guide system development and implementation planning through preparation of concept of operations, interfaces control documents, hazard analysis, and test plans and procedures.Displays excellent technical judgment, attention to detail, and ability to look at the “big picture” in system design.Demonstrates ability to devise innovative solutions to problems when conventional solutions are insufficient.Prepares reports and presents results to management and clients.Schedules can be demanding throughout the year and occasional work outside normal working hours should be anticipated.Mentorship of junior team members.About the organization Oceaneering Aerospace and Defense Technologies (AdTech) delivers solutions that enable humans to work safely and effectively in harsh environments – from underwater to the outer reaches of space. Our innovative solutions support the development and application of practical, cost-effective systems that meet our customers’ challenges – from routine to extreme. Our experience and expertise across multiple industries uniquely positions us as a leader in the government, space, and maritime services markets. Our products and services meet the rigorous demands of the complex environments in which they operate, delivering results without compromising safety or reliability. About the companyOceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, material handling, aerospace, science, and renewable energy industries. Equal Opportunity Employer: All qualified candidates will receive consideration for all positions without regard to race, color, age, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, veteran status, disability, genetic information, or other non-merit factor.