PLC Control Systems Engineer

Responsibilities

Noblis MSD is seeking PLC Control Systems Engineers in Philadelphia, PA.

Noblis MSD’s mission is to support the Naval Sea Systems Command (NAVSEA) and, Naval Surface Warfare Center (NSWCPD) and their missions’ to enable research, development, test and evaluation, acquisition, engineering, systems integration, in-service and fleet engineering with cybersecurity, comprehensive logistics, and life-cycle savings. We are looking to hire PLC Control Systems Engineers to support the hands-on work with Programmable Logic Controller (PLC) hardware and software, providing full lifecycle support across fielded systems and Land Based Engineering Sites (LBES). The selected candidate will work directly with ruggedized industrial-grade PLC systems and supporting hardware on a daily basis—participating in integration, troubleshooting, upgrades, and system-level design for current and future MCS variants.

This requisition covers multiple positions, including:

• PLC Control Systems Engineer, Entry Level

• PLC Control Systems Engineer, Mid Level

• PLC Control Systems Engineer, Senior Level

Responsibilities Include:

• Daily interaction with and troubleshooting of PLC hardware and associated field devices

• PLC programming, modification, and validation aligned with evolving systems requirements

• Supporting the design and integration of PLC equipment in shipboard and industrial control environments Identify and document software and system related problems

• Providing technical insight and feedback on future PLC-based system architectures Provide distance and onsite support of software problems

• Reviewing system documentation, logic diagrams, and control narratives for accuracy and completeness Write, review, and maintain technical documentation such as user manuals, product specifications, and training materials

• Developing and executing test plans and procedures for PLC-controlled systems

• Supporting both shipboard and LBES PLC software and hardware installation efforts

• Assisting with system-level software requirements definition and refinement for PLC-controlled applications

Required Qualifications

Entry Level

• Bachelor’s level Degree in an Engineering Discipline. Computer Science, Electrical Engineering, and Computer Engineering degrees preferred, others will be considered based on experience.

• 0 to 3 years of professional experience

• Active DoD Secret clearance or ability to achieve DoD Secret clearance and US citizenship

• Must have a valid US passport or ability to obtain one upon position acceptance

• Ability to travel 10-20% of the time

• Salary Range: $71,800 - $112,150

Mid Level

• Bachelor’s level Degree in an Engineering Discipline. Computer Science, Electrical Engineering, and Computer Engineering degrees preferred, others will be considered based on experience.

• 3+ years of professional experience

• Active DoD Secret clearance or ability to achieve DoD Secret clearance and US citizenship

• Must have a valid US passport or ability to obtain one upon position acceptance

• Ability to travel 10-20% of the time

• Salary Range: $78,900 - $123,300

Senior Level

• Master’s level Degree in Computer Science, Electrical Engineering, or Computer Engineering

• 10+ years of professional experience

• Active DoD Secret clearance or ability to achieve DoD Secret clearance and US citizenship

• Must have a valid US passport or ability to obtain one upon position acceptance

• Ability to travel 10-20% of the time

• $95,500 - $149,200

Physical Requirements

Employees working in naval industrial environments, whether shipboard or pierside, must meet certain physical requirements to safely perform essential job functions. Individuals must be capable of standing and walking for extended periods, often on uneven, wet, or slippery surfaces, and must be able to climb vertical ladders, stairs, and steep inclines while carrying tools or equipment. The position requires the ability to work in confined spaces with limited ventilation and restricted movement, including crawling through narrow passageways and working in overhead or below-deck areas.

Workers must possess sufficient manual dexterity and grip strength to operate hand and power tools, manipulate controls, and handle materials weighing up to fifty pounds on a regular basis, with occasional lifting of heavier objects with assistance. The role demands the physical ability to bend, stoop, kneel, crouch, and reach overhead repeatedly throughout the workday. Adequate vision is necessary to read technical manuals, identify color-coded systems, and detect safety hazards, while hearing capability must be sufficient to perceive warning signals, alarms, and verbal communications in noisy environments, with or without hearing protection.

Employees must be able to work in varying environmental conditions including extreme temperatures, high humidity, direct sunlight, and exposure to weather elements. The position requires the stamina to work extended shifts and the balance and coordination necessary to maintain stability on moving vessels. Workers must be capable of responding quickly to emergency situations, including evacuating confined spaces and moving to emergency stations. Reasonable accommodations may be available for qualified individuals with disabilities who can perform the essential functions of the position with or without such accommodations.

Desired Qualifications

• Hands-on experience with Siemens (S7-1500, TIA Portal, etc.) and/or Allen Bradley (ControlLogix, RSLogix 5000) PLC platforms

• Strong understanding of PLC logic, control strategies, and ladder/structured text programming Experience supporting and troubleshooting networked, IP-based systems both onsite and via distance support

• Proficient in reading and interpreting electrical schematics and control system drawings

• Experienced in using test and diagnostic tools specific to industrial and PLC-based systems

• Basic knowledge of network communications as applied to control systems (Ethernet/IP, Profinet, etc.)

• Experience programming with multiple IEC 61131-3 languages (e.g., ladder logic, structured text)

• Experience with SCADA or HMI development

• Background in hardware upgrades and modernization of legacy embedded PLC systems

• Experience with SIM/STIM development

Overview

Overview

Noblis and our wholly owned subsidiaries, Noblis ESI and Noblis MSD, take on some of the nation’s toughest challenges, delivering advanced solutions to our customers’ most critical missions. We bring together leading scientific, engineering, and management expertise in a culture grounded in objectivity and collaboration, ensuring our work creates lasting impact across federal missions.

We work with a broad range of government agencies in the defense, intelligence, and federal civilian sectors. Learn more and find opportunities at careers.noblis.org (

Why Work at Noblis

At Noblis, we share a passion for excellence and innovation, and we create an environment where people can do meaningful work while maintaining the balance that keeps them energized and fulfilled. We seek out individuals with a natural curiosity and desire to collaborate and learn. We believe our people are our greatest strength, and we consistently seek exceptionally skilled, mission‑driven professionals who care deeply about doing work that enriches lives and makes our nation safer.

Noblis has earned numerous workplace awards ( for our culture, our commitment to employee well‑being, and our dedication to meaningful, impactful work. We also maintain a drug‑free workplace.

Remote/hybrid status is subject to change based on Noblis and/or government requirements.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.

If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us ( .

EEO is the Law ( | E-Verify ( | Right to Work (

Total Rewards

At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits ( page on our Careers ( site.

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis’ total compensation package.

Posted Salary Range

USD $65,200.00 - USD $101,950.00 /Yr.