Software Engineer SoftwareHardware integration

Essential Systems Inc; Millersville (MD); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Health insurance

Dental insurance

Vision insurance

Paid time off

Parental leave

Company parties

Competitive salary

Opportunity for advancement

Job summary

Essential Systems Inc. seeks an experienced Software Engineer to lead the design, integration, and development of Access Control, Intrusion Detection, and Video Surveillance for nuclear power plant environments.

Role emphasizes hands-on leadership across system architecture, software/hardware integration, and regulatory compliance, with travel to customer sites as needed.

Qualifications

• Bachelor's degree in Engineering or related field.
• 10+ years of experience designing and integrating systems.
• Experience writing software in multiple languages (C, C++, GO, shell scripting).
• Working knowledge of Linux and Windows.
• Strong knowledge of networking and IP/TCP concepts.
• Experience documenting designs with MS Word, Excel, and CAD tools.
• Ability to manage projects and read wiring diagrams.

Responsibilities

• System Architecture, Design & Integration for access control, intrusion detection, and video surveillance.
• Lead technical efforts across system architecture, integration, and development oversight for nuclear plant environments.
• Design and integrate software and hardware in on-prem, closed systems with redundant networks.
• Ensure regulatory compliance (10 CFR 73) and high reliability for nuclear facilities.
• Integrate hardware, software, communications, sensors, actuators, and HMIs.
• Provide technical direction to vendors, integrators, and internal teams.
• Author and control system documentation.

Skills

C

C++

GO

Shell scripting

Linux

Windows

Networking

Documentation

Project management

Education

Bachelor's degree in Engineering

Tools

CAD software

Visio

AutoCAD

MicroStation

Job description

Benefits:

• 401(k)
• 401(k) matching
• Company parties
• Competitive salary
• Dental insurance
• Health insurance
• Opportunity for advancement
• Paid time off
• Parental leave
• Vision insurance

Software Engineer (with Software/Hardware integration)

Overview:

We are seeking an experienced software engineer to lead the design, integration, and development of our Access Control, Intrusion Detection, and Video Surveillance Systems in industrial, nuclear power plant environments. Project Management background is helpful.

Key Responsibilities:

• System Architecture, Design & Integration
• Hands-on technical leadership across system architecture, integration, and development oversight, of nuclear plant physical protection systems.
• Responsible for design and integration of physical security systems, both software and hardware. These are on-prem, completely closed systems, traditional infrastructure, with no Internet, no wireless, no cloud computing. They involve a redundant network design for no single point of failure.
• Ensure that our systems meet regulatory compliance (10 CFR 73), high-reliability, and long-term operability specific to the nuclear power plant industry.
• Integrate hardware, software, communications, sensors, actuators, and HMIs into cohesive system solutions.
• Provide technical written and verbal direction to vendors, integrators, and internal development teams.
• Author, maintain, and control System Documentation related to the system designed.

Development & Implementation Support

• Support system development activities including configuration definition, design reviews, and technical baseline control.
• Participate in FAT, SAT, installation oversight, and system commissioning.
• Resolve technical issues identified during integration, testing, or operational use.
• Support lifecycle activities including upgrades, modifications, and obsolescence management.
• Ability to travel occasionally to customer site for walkdowns, meetings, and brief installation oversight.

Required Qualifications

• Bachelor's degree in Engineering (Electrical, Software, Systems or related).
• 10+ years of experience designing and integrating systems.
• Experience writing software in multiple languages (C, C++, GO, shell scripting).
• Working knowledge of Linux (Ubuntu, Red Hat, DEBIAN) and Windows
• Strong knowledge of networking (IPV4, VLAN, TCP/IP, subnets, SFPs, network switches)
• Writing/documentation skills, MSWord, Excel, and CAD software skills, and proficient with various computer hardware/software platforms are required.
• Understanding of wiring diagrams.
• Ability to manage a projects.

Preferred / Bonus Qualifications

• Familiarity with intrusion detection systems, access control systems, and video surveillance systems is desired but not required.
• Direct experience working under 10 CFR 73 (e.g., §§ 73.46, 73.55).
• Write firmware in an Arduino environment.
• Writing software for FPGAs, CPLDs.
• Ability to read/write schematics.
• Create CAD drawings (such as Visio, AutoCAD, and/or MicroStation).
• Experience with NEI security guidance and NRC inspection procedures (IP 71130 series).
• Prior work with nuclear utilities, EPC firms, or nuclear security integrators.
• Demonstrated experience designing, integrating, and developing nuclear security systems, with supporting authorship of SRS/HRS, SDD, HDD, and ICDs.
• Former Navy nuclear, DOE, or DoD security engineering background with NRC crossover.
• INCOSE or similar systems engineering affiliation.

Personal Attributes

• Strong systems thinker with practical engineering judgment
• Comfortable making and defending design decisions
• Methodical, disciplined, and detail-oriented
• Operates professionally in sensitive environments
• Team oriented with strong interpersonal skills and professional manner

Compensation & Growth

• Competitive senior-level compensation
• Approximately $100K to $150K depending on experience
• Health insurance (medical, dental & vision), retirement plan, PTO, paid holidays
• Opportunity to play a foundational technical role in a growing nuclear security practice