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The Product Engineer builds what users actually see and use - the reviewer workbench, the executive reporting layer, the data products, and the audit-ready outputs that turn AI insights into business decisions. We are an award-winning industry leader in building, owning, and operating highly efficient, cost-effective wholesale, colocation, and cloud data centers.

YEAR

Stack Infrastructure

AI Application Engineer

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As a Systems Engineer for Model-Based System Engineering (MBSE) you will employ MBSE approaches to develop Systems Engineering products using SysML and MBSE tools to capture, maintain, and visualize needed views of model data to communicate systems and facilitate automation of Systems Engineering integration with other domains. Lockheed Martin seeks an a highly motivated innovative and talented Model Based Systems Engineer (MBSE) to join the Global Security team and become a member of the Systems Engineering and Integration Team (SEIT) in Denver, Colorado.

Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 125,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.
	Our Mission:&nbsp; We solve complex challenges, advance scientific discovery and deliver innovative solutions to help our customers keep people safe and provide them essential services. 
	
	Our Vision:&nbsp;Be the global leader in supporting our customers to strengthen global security, deliver citizen services and advance scientific discovery.
	Our Values:
	
	<li style="margin: 0px 0px 0px 15px;">Do What's Right</li>
	<li style="margin: 0px 0px 0px 15px;">Respect Others</li>
	<li style="margin: 0px 0px 0px 15px;">Perform With Excellence</li>

Lockheed Martin Corporation

Systems Engineer - Mbse

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This role develops and executes test cases, creates test plans, documents and tracks defects with clear reproduction steps, collaborates with developers and cross-functional teams to verify fixes, and supports bug remediation, system maintenance-including releases, patches, and upgrades-and software deployment. A QA Automation Engineer applies engineering principles to the design, development, and execution of software tests, with the primary goal of automating testing to identify defects before software reaches end users and to ensure product quality and reliability.

Peraton Inc

Quality Assurance (QA) Automation Engineer

The role being within the Financial Markets industry, liaising with TNS customer's technical representatives requires solid technical understanding in relation to network, systems infrastructure and datacenters, as well as understanding of Financial Markets and Financial Exchanges. The Financial Markets Global IP Desk will contribute to the success of the team supporting the stability and availability of the TNS Financial Markets infrastructure and services by raising service incident tickets and assigning them to an appropriate engineer.

Transaction Network Services (TNS) has been delivering industry-leading solutions for the payments, financial and telecommunications industries since 1990. TNS is the preferred supplier of networking, integrated data and voice services to many leading organizations in the global payments and financial communities, as well as a provider of extensive telecommunications network solutions to service providers. 
 TNS is a New York Stock Exchange (NYSE: TNS) listed company with a healthy balance sheet, secure assets and a loyal customer base that includes some of the largest global blue-chip companies in the world. Many of the world’s leading companies continue to count on TNS as their primary provider of a range of networking and communication services, enabling them to expand regionally, nationally and globally. TNS provides services to customers in over 60 countries throughout the world.

Transaction Network Services Inc

NOC Support Engineer

Responsibilities: Lead transition of TEN hardware from development to the next generation, small form factor Ensure compliance with Design for Manufacturability (DFM), Design for Test (DFT), and Design for Reliability (DFR) principles for ruggedized edge systems Support design and integration of high-performance compute hardware (CPU/GPU systems, storage, networking, sensor interfaces) Develop production processes, test procedures, and acceptance criteria for deployed systems Troubleshoot hardware and system-level issues across lab, production, and fielded environments Perform root cause corrective action (RCCA) on failures identified during test or deployment Support environmental qualification (thermal, vibration, shock, EMI/EMC) for tactical deployments Manage configuration control, technical data packages (TDPs), and engineering change orders (ECOs) Collaborate with software, network, and ISR system teams to ensure hardware compatibility and performance Interface with DoD stakeholders, program offices, and operational users to support deployment readiness. Required Skills and Experience: 6-10+ years of experience in hardware engineering, production engineering, or systems integration Experience with ruggedized computing systems or deployed tactical hardware Strong understanding of embedded systems, networking hardware, and high-performance compute platforms Experience with electronics manufacturing (PCB assembly, system integration, box build) Hands-on troubleshooting experience with lab and field equipment Demonstrated ability to lead cross-functional engineering and production efforts Hardware-to-production transition for tactical systems Ruggedized system design & integration Production troubleshooting & RCCA Systems-level thinking (compute, network, sensors) Cross-functional leadership Data-driven manufacturing & reliability improvement.

PMAT Inc.

Senior Hardware & Production Engineer

Hands-on experience administering, configuring, or validating security tools such as EDR, endpoint-management tools, identity and access-management systems, SIEM and logging platforms, email-security tools, or cloud-security controls. Familiarity with vulnerability-management platforms such as Tenable, Qualys, or Rapid7, including using scan results and platform reporting to gather compliance evidence, support risk assessments, validate control effectiveness, and track remediation.

Senior Cybersecurity GRC Engineer

PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions. In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.

The PNC Financial Services Group Inc

Senior Software Engineer - Database Automation and Platform Engineering

You'll lead our China-based electrical team while partnering closely with software, mechanical, and field service teams to solve hard real-world problems and design the next generation of robot control hardware. Committed to revolutionizing warehouse, supply chain, and factory operations, Prime strives to elevate businesses through best-in-class automation solutions and services.

Prime Robotics

Senior Electrical Engineer - Autonomous Robotics

CCS Facility Services is one of the largest building service contractors in the United States, providing expert janitorial and facility engineering services to thousands of commercial businesses with a deep bench of experienced cleaning and engineering professionals. The individual in this role must be capable of completing all tasks as directed by the Chief Engineer, Assistant Chief Engineer or property management staff with some supervision, taking ownership when assigned team projects and accepting responsibility for actions and results.

Aa Facility Services, Inc., is a full service, &nbsp;commercial cleaning company that is family-owned with 50+ years combined experience in the cleaning industry. &nbsp;We care about our employees and our customers. &nbsp; Our goal is to train our employees to be the best they can be and to supercede the expectations of our clients. &nbsp; &nbsp;

CCS Facility Services

Engineer - Level II

Proven track record supporting and maintaining production enterprise applications, underlying Windows servers, and vendor-hosted/SaaS integrations, including REST APIs, SFTP interfaces, cloud-assisted data movements, and routine system maintenance/upgrades. Manages and maintains key investment platforms (Portia, Longview, PACE, Ascend, Power BI, Athena) and utilizes automation and data transformation tools (Python, SQL, Snowflake, PowerShell, and orchestration tools) to improve process robustness.

Colorado Public Employees Retirement Association

Investment Systems Engineer

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This is a 10-week summer internship program from May 31st to August 6th, 2027, focusing on first-hand experience in the team and discovering what your future would be like with us through induction, on the job learning, skills trainings and networking. Benefits: Janus Henderson is committed to offering a comprehensive total rewards package to eligible employees that includes; competitive compensation, pension/retirement plans, and various health, wellbeing and lifestyle benefits.

HOUR

Janus Henderson Investors

Application Engineer Intern

This role combines deep Oracle database expertise with software engineering and platform automation, helping reduce manual effort, accelerate delivery, and establish reusable frameworks that support current and future database technologies across the enterprise. PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions.

Senior Software Engineer, Database Automation

You'll work closely with mission teams, customers, and payload suppliers to define performance requirements, drive payload development and test, support in-orbit calibration and commissioning, and ensure Loft can reliably process and deliver imagery to customers. With a growing fleet on track to reach 30 satellites by 2027, we are scaling up quickly across our offices in San Francisco, CA | Golden, CO | and Toulouse, France to meet accelerating demand for space infrastructure.

Loft Orbital Solutions

Senior Earth Observation Engineer

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.

Blue Origin Enterprises LP

Avionics Hardware Engineer III

Blue Origin

Senior Flight Software Engineer

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and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Blue Origin is helping extend humanity's reach across the solar system by developing NASA's Mars Telecommunications Network (MTN) - a relay communications infrastructure designed to provide reliable, high-availability data services between Mars-based users and Earth in support of NASA's civil exploration and science objectives.

Security Engineer Jobs in Littleton, CO

AI Application Engineer Stack Infrastructure

Systems Engineer - Mbse Lockheed Martin Corporation

Quality Assurance (QA) Automation Engineer Peraton Inc

NOC Support Engineer Transaction Network Services Inc

Senior Hardware & Production Engineer PMAT Inc.

Senior Cybersecurity GRC Engineer Pdw

Senior Software Engineer - Database Automation and Platform Engineering The PNC Financial Services Group Inc

Senior Electrical Engineer - Autonomous Robotics Prime Robotics

Engineer - Level II CCS Facility Services

Investment Systems Engineer Colorado Public Employees Retirement Association

Application Engineer Intern Janus Henderson Investors

Senior Software Engineer, Database Automation The PNC Financial Services Group Inc

Senior Earth Observation Engineer Loft Orbital Solutions

Avionics Hardware Engineer III Blue Origin Enterprises LP

Senior Flight Software Engineer Blue Origin

Avionics Hardware Engineer III Blue Origin

Senior Mission Systems Engineer - Blue Ring Blue Origin Enterprises LP

Flight Software Engineer III Blue Origin Enterprises LP

Senior Flight Software Engineer Blue Origin Enterprises LP

Flight Software Engineer III Blue Origin

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