Jobs at Steel Dynamics, Inc

Mechanical Engineering Intern supporting Aluminum Dynamics’ cold mill operations during Summer 2027. Responsibilities include engineering analysis, experiments, data analysis, reporting, CAD design, process improvement, equipment troubleshooting, predictive maintenance, and hands-on mechanical work with operators and maintenance teams. The intern will develop and test equipment improvements, resolve operational issues, and recommend changes that improve safety, reliability, efficiency, and throughput in an industrial aluminum manufacturing environment.

Manage electrical capital projects, maintenance, preventive maintenance, downturn activities, troubleshooting, documentation, and electrical installations or upgrades. Collaborate with operations, maintenance personnel, engineers, and contractors while supporting safety, quality, and production initiatives. Help develop electrical personnel and apply expertise in motor controls, variable frequency drives, power distribution, high-voltage maintenance, and root cause analysis.

Administers and maintains Cisco network infrastructure across offices, data centers, and manufacturing plants. Configures routing, switching, wireless, firewalls, VPNs, VLANs, and network security controls; monitors performance and leads troubleshooting. Supports plant-floor OT networks, executes upgrades and expansion projects, oversees cabling and equipment installation, maintains documentation, coordinates with vendors and IT teams, and mentors junior staff. Occasional night and weekend work is required.

Leads a team of 3–4 developers while designing, building, testing, and maintaining internal C#/.NET and SQL Server applications. Responsibilities include code review, development planning, technical standards, testing, source control, security, deployment, requirements gathering, end-user communication, mentoring, and process improvement.

Designs, implements, maintains, and supports hardware and software systems controlling steel manufacturing processes. Responsibilities include developing manufacturing software, troubleshooting equipment and business-system interfaces, managing databases and process-control reliability, implementing new technologies, collaborating with production and maintenance teams, and documenting technical processes. Provides after-hours support as needed.

Supports and maintains end-user computing environments through hardware, software, network, and peripheral troubleshooting. Sets up user accounts and equipment, performs deployments and replacements, assists with Active Directory and Microsoft 365 administration, maintains IT inventory and documentation, supports technology projects, and follows IT security procedures.

Provides administrative support to the sales manager and team by coordinating meetings, travel, mill visits, events, vendors, contracts, and sales materials. Maintains sales and marketing data, supports customer and internal communications, coordinates Mississippi State activities, and assists Inside Sales with production capacity updates. Requires strong communication, organization, discretion, customer service, and Microsoft Office skills.

Supports sales estimating and quoting by interpreting product data, design loads, drawings, and project scopes. Provides value engineering, resolves technical issues, communicates with estimators, customers, structural engineers, and internal departments, and helps implement estimating processes. Travels with sales and marketing teams to visit customers and engineering firms and attends construction-related conferences to promote products and services.

Maintain and improve automation systems in a melt shop/EAF environment. Responsibilities include updating controls, HMIs, operating systems, and electrical prints; troubleshooting PLC and process issues; configuring industrial networks; supporting VFDs and automation software; and managing improvement projects and maintenance outages. The engineer collaborates with Level 1 and Level 2 engineering teams, works unscheduled hours when needed, and helps train others while maintaining strong safety and communication standards.

Owns multiple internal software products from concept through adoption. Responsibilities include developing roadmaps, defining features and acceptance criteria, leading user discovery, prioritizing backlogs, coordinating development resources, managing beta testing, launching releases, delivering demonstrations and training, and using user feedback to drive continuous improvement and adoption.

Mechanical Engineer responsible for supervising maintenance personnel, troubleshooting and improving mechanical equipment reliability, planning maintenance activities and outages, managing budgets and contractors, leading continuous improvement, and executing capital projects from concept through commissioning. The role focuses on safety, equipment uptime, cost control, production support, and mechanical upgrades within a steel manufacturing environment.

Support electrical engineering projects in an industrial steel manufacturing environment. Responsibilities include substation reliability and preventative maintenance, safety initiatives, schematic reviews, equipment upgrades, instrumentation and control programming, electrical troubleshooting, inventory management, procurement planning, and field installation support. The intern will work alongside electricians, operators, maintenance teams, contractors, vendors, and engineers on live production systems.

Designs, configures, maintains, monitors, and upgrades redundant network and telecommunications infrastructure, including switches, routers, firewalls, wireless devices, phones, IoT, fiber, and cabling. Supports VPNs, connectivity, information security, disaster recovery, vendor coordination, equipment purchasing, documentation, and infrastructure deployments. Collaborates with IT teams and end users to resolve issues and interpret business needs, while providing 24/7 on-call or onsite support when required.

Processes invoices, payments, checks, and expense coding; maintains vendor accounts and accounts payable ledgers; reconciles statements; responds to vendor inquiries; verifies approvals and documentation; and assists with month-end closing. Requires accuracy, organization, communication, basic accounting knowledge, familiarity with accounting software, and the ability to work independently and collaboratively.

Supervise daily accounting operations, guide accounting staff, prepare journal entries and month-end reports, perform inventory reconciliations and close activities, prepare sales and use tax returns, support audits and payroll, ensure internal controls and compliance, and assist with process improvements, special projects, and corporate accounting tasks.

Supports aluminum metallurgy and casthouse operations through scrap and alloy analysis, production data analysis, yield-loss identification, recovery optimization, casting operations, and quality assurance testing. The intern collaborates with operators, engineers, and laboratory personnel, assists with melt shop projects, validates spectrometer results, and gains hands-on experience across aluminum casting and recycling processes.

Provides electrical and process engineering support for steel facility and melting operations. Troubleshoots operational issues using engineering and production data, designs and implements electrical and automation improvements, supports low-, medium-, and high-voltage systems, updates technical documentation, executes capital projects, advises operators, and plans maintenance downtime.

Supervises financial accounting and Accounts Receivable activities for a Steel Dynamics division. Responsibilities include preparing financial statements, coordinating month-end close, performing reconciliations and analysis, supporting tax activities, inventory counts, capital project accounting, budgeting, quarterly reviews, and year-end audits. The role also ensures accurate financial reporting, proper cutoff procedures, and effective prioritization of accounting responsibilities.

Supervises Texas Division transaction personnel handling invoicing, scrap payables, and truck-direct processing. Verifies transaction accuracy, supports retail activities, prepares reports, evaluates results, manages customer requests, and identifies efficiency and cost-saving opportunities. The role also supports the Division Manager and Controller while contributing to division management activities.

Designs open-web steel joists and steel decking using a proprietary program. Reviews bills of material, structural drawings, and erection drawings; prepares production shop orders and details; checks other designers’ work; manages multiple projects and schedules in a fast-paced production environment. Requires communication, computer, geometry, trigonometry, and 3D visualization skills. Steel joist industry experience and a design-related degree with knowledge of statics and materials are preferred.