Sr. Controls and Automation Engineer

Atlas OT LLC; Centennial (CO); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Company-sponsored training

PPE Reimbursement Program

CellPhone reimbursement

Paid Holidays (11)

120 hours PTO/year

Merit Bonuses

Tax-advantaged education/retirement

Job summary

Atlas OT LLC in Centennial, CO, seeks a Senior Controls Engineer to deliver integrated automation and controls across industries such as energy, manufacturing, and water treatment. You'll work on RTU, PLC, SCADA, and DCS systems from design to testing and deployment.

This role offers technical leadership, development of standards, and mentoring junior engineers, with opportunities to lead multi-site projects, improve safety and cybersecurity per IEC 62443, and contribute to a growing OT

Qualifications

• Bachelor’s degree in Engineering is required; advanced certifications preferred (ISA CAP, PE License – Control Systems).
• Minimum of 12,000 project hours logged, including system architecture and multi-site implementations (8+ years).
• Experience mentoring junior engineers and contributing to knowledge-sharing culture.

Responsibilities

• Lead complex automation projects across Mechanical, Electrical, and Software systems.
• Develop, maintain, and enforce global code libraries and IEC 61131-3 standards.
• Architect and approve secure OT network designs per IEC 62443.
• Oversee technical quality by reviewing work and guiding adherence to standards.
• Lead process optimization and automation strategies per project requirements.

Skills

IEC 61131-3

Multi-platform control

UL/NEC/ISA/IEC standards

ERP/MES integration

MQTT & Cloud

Python

C#

VBA

OT network security (IEC 62443)

Technical writing

Education

Bachelor’s degree in Engineering

ISA CAP

PE License – Control Systems

Job description

Centennial, United States | Posted on 08/12/2026

As a Senior Controls Engineer at Atlas OT, you will help deliverintegrated automation and controls solutions across a wide range ofindustries, including energy, manufacturing, food and beverage,water/wastewater, oil and gas, renewables, and more. You'll contributeto projects involving RTU, PLC, flow computer, SCADA, and DCS systems,supporting everything from design and programming to procurement,testing, and deployment.

This role involves contributing to internal standards development,estimating project scopes, and supporting the design andimplementation of complex, multi-platform systems. You’ll applytechnical precision and innovation to support advanced electrical,instrumentation, and controls engineering efforts—helping to providefull-service solutions, including panel design, FAT testing, andmanaged SCADA services. Your work will directly support Atlas OT’smission of delivering reliable, scalable Operational Technology systems.

This is more than a senior engineering role—it’s a technicalleadership opportunity for those who are ready to shape standards,guide teams, and deliver automation excellence on a global scale.

Duties

• Lead complex automation projects, integrating Mechanical,Electrical, and Software systems across multiple platforms
  
• Develop, maintain, and enforce global code libraries andinternal programming standards (IEC 61131-3)
  
• Architect and approve secure OT network designs, includingIDMZ, firewalls, and compliance with IEC 62443 cybersecurity standards
  
• Oversee technical quality by reviewing work from AssociateEngineers through Lead Engineers and guide and support theiradherence to established engineering standards.
  
• Lead team in the technical execution of process optimizationand automation strategies based on project requirements and best practices
  
• Estimate project hours and bill of materials (BOMs) incollaboration with Sales and Project Management teams
  
• Approve technical deliverables such as functionalspecifications, programming logic, and final designs
  
• Lead efforts in advanced process control, alarmrationalization, and safety system optimization
  
• Uphold and improve quality assurance processes, ensuringcompliance with industry and company standards
  

Requirements

Skills Mastery

• Expert in all five IEC 61131-3 programming languages, withownership of internal code libraries
  
• Proven ability to architect and implement complex,multi-platform control systems across multiple sites
  
• Strong knowledge of UL, NEC, ISA, and IEC standards;proficiency in process safety and functional safety systems
  
• Proficiency with ERP/MES integration, cloud technologies(MQTT), and scripting (Python, C#, VBA)
  
• Deep experience designing and securing OT networks to industrystandards (IEC 62443)
  
• Strong attention to detail and analytical thinking, with theability to produce clear and accurate technical documentation.
  
• Skilled in quality control, documentation, andcross-functional collaboration
  

Work Experience

• Bachelor’s degree in Engineering required; advancedcertifications preferred (ISA CAP, PE License – Control Systems)
  
• Minimum of 12,000 project hours logged, including systemarchitecture and multi-site implementations (8+ years experience)
  
• Prior experience developing and reviewing control narratives,P&IDs, and safety systems (SIS)
  
• Experience mentoring junior engineers and contributing to aknowledge-sharing culture
  
• Must possess a valid driver’s license and be willing to travelas needed
  
• Drug-free workplace compliance required
  

Atlas OTemployees are the best, and as such get the best benefits. Our totalcompensation plan provides pay above average for our industry asvalidated by independent third parties. We also provide manyopportunities for bonus compensation for those willing to put inextra hours, refer friends and new clients.

• Company sponsoredtraining and certifications
  
• PPE Reimbursement Program
  
• $50/month CellPhone Reimbursement
  
• Paid Time off forall Federal Holidays (11 total)
  
• 120 hours / year ofaccrued Paid Time Off (inclusive of 10 Vacation and 5 sick days)
  
• Merit Based Rewardsand Bonuses such as
  
• Quarterly Bonus
  
• Employee recognition
  
• New EmployeeReferral Bonus
  
• Pick your taxadvantage bonus - elect to get tax-free contributions toeducation expenses such as tuition assistance, dependent care,and retirement.
  
• Large groupmedical, vision and dental coverage with:
  
• 75% ofemployee's premium covered by Atlas OT
  
• 50% of employee's+ dependent premium if eligible covered by Atlas OT
  
• For HSA eligibleplans, employer HSA contribution equal to employeecontribution up to federally allowable limits
  
• 401(k) RetirementSavings Plan with employer contributions matching employeecontributions up to 5% or federally allowable limits.