Senior OT/ICS Security Engineer

<p style="font-family:"><b><strong style="color:rgb(0,0,0);font-size:12pt;white-space:pre-wrap;">Build the Future with AspenView Technology Partners</strong></b></p><p style="font-family:">At AspenView, we are passionate about transforming the way organizations approach technology. We specialize in creating high-performing, nearshore IT teams to help North American clients innovate faster and more efficiently. As we continue to grow, we're looking for exceptional people to join our team and help drive impactful change across industries.</p><p style="font-family:"><b><strong style="color:rgb(0,0,0);font-size:12pt;white-space:pre-wrap;">Why Join AspenView?</strong></b></p><p style="font-family:">At AspenView, we're more than a nearshore IT partner—we're a <b><strong style="color:rgb(0,0,0);font-size:12pt;white-space:pre-wrap;">people-first, purpose-driven</strong></b> company that believes great culture drives great outcomes. We're passionate about connecting talent and technology to deliver measurable value for clients—and meaningful career paths for our people.</p><h3>Here's what you can expect:</h3><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">Competitive base </li><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">Comprehensive benefits and wellness support</li><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">Flexible work model: hybrid, remote, or in-office</li><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">Real growth opportunities and leadership visibility</li><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">Inclusive, respectful culture that blends U.S. innovation with Colombian heart</li><li style="color:rgb(0,0,0);font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;text-align:justify;">A company that listens, invests in you, and celebrates wins together</li></ul><p style="font-family:">The <b><strong style="font-size:12pt;white-space:pre-wrap;">Senior OT/ICS Security Engineer</strong></b> is responsible for securing the critical infrastructure that powers our Client's industrial operations. Unlike traditional IT security, this role focuses on the availability, safety, and integrity of <b><strong style="font-size:12pt;white-space:pre-wrap;">Operational Technology (OT)</strong></b> environments, including manufacturing plants, control systems, and IIoT devices.</p><p style="font-family:">You will be the hands-on expert designing secure network segmentations (Purdue Model), performing deep packet inspection of industrial protocols, and ensuring that PLCs and HMIs are protected against evolving cyber threats without disrupting production.</p><h3 style="font-family:">What you will do:</h3><p style="font-family:"><b><strong style="font-size:12pt;white-space:pre-wrap;">OT Network Defense &amp; Discovery</strong></b></p><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Implement and manage <b><strong style="font-size:12pt;white-space:pre-wrap;">network discovery</strong></b> and anomaly detection solutions specifically designed for industrial environments.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Perform <b><strong style="font-size:12pt;white-space:pre-wrap;">Deep Packet Inspection (DPI)</strong></b> across critical OT protocols, including <b><strong style="font-size:12pt;white-space:pre-wrap;">Modbus, DNP3, Profinet, OPC UA, and IEC 104</strong></b>.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Design and deploy <b><strong style="font-size:12pt;white-space:pre-wrap;">secure remote access</strong></b> and micro-segmentation strategies to isolate control networks from enterprise IT environments.</li></ul><p style="font-family:"><b><strong style="font-size:12pt;white-space:pre-wrap;">Vulnerability &amp; Risk Management</strong></b></p><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Execute technical <b><strong style="font-size:12pt;white-space:pre-wrap;">vulnerability assessments</strong></b> on industrial hardware, including PLCs, HMIs, and embedded systems.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Lead the remediation of security gaps in the shop floor and field environments while maintaining high system availability.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Map industrial security controls to global frameworks such as <b><strong style="font-size:12pt;white-space:pre-wrap;">ISA/IEC 62443</strong></b> and <b><strong style="font-size:12pt;white-space:pre-wrap;">NIST 800-82</strong></b>.</li></ul><p style="font-family:"><b><strong style="font-size:12pt;white-space:pre-wrap;">Industrial Security Architecture</strong></b></p><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Collaborate with automation and plant engineers to implement "security by design" in new IIoT and ICS deployments.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Monitor for lateral movement and industrial-specific threats using specialized OT security monitoring tools.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;">Develop and document technical standards for industrial system hardening and incident response in the field.</li></ul><h3 style="font-family:">Tools &amp; Technologies:</h3><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">OT Visibility Tools:</strong></b> Experience with Claroty, Nozomi Networks, Dragos, or Microsoft Defender for IoT.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Industrial Protocols:</strong></b> Deep understanding of Modbus, DNP3, Profinet, OPC UA, and EtherNet/IP.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Network Security:</strong></b> Industrial Firewalls (Fortinet, Cisco ISA, Palo Alto) and unidirectional gateways (Data Diodes).</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Compliance Standards:</strong></b> Practical application of <b><strong style="font-size:12pt;white-space:pre-wrap;">ISA/IEC 62443</strong></b> and <b><strong style="font-size:12pt;white-space:pre-wrap;">NIST 800-82</strong></b>.</li></ul><h3 style="font-family:">What you bring:</h3><ul data-pattern="discCircleSquare" data-depth="1" style="font-family:"><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">5–8+ years</strong></b> of experience in Cybersecurity, with a primary focus on <b><strong style="font-size:12pt;white-space:pre-wrap;">Industrial Control Systems (ICS)</strong></b> or <b><strong style="font-size:12pt;white-space:pre-wrap;">Operational Technology (OT)</strong></b>.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Technical Depth:</strong></b> Ability to analyze industrial traffic and identify misconfigurations or malicious behavior in non-IT environments.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Operational Awareness:</strong></b> Deep understanding of the "Safety-First" mindset required when working with production-critical assets.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Framework Expertise:</strong></b> Proven experience implementing international industrial security standards.</li><li style="font-size:12pt;margin:3px 0px;letter-spacing:0.25px;line-height:1.6;"><b><strong style="font-size:12pt;white-space:pre-wrap;">Background:</strong></b> Often comes from an Electronic, Mechatronic, or Systems Engineering background with a pivot to security.</li></ul><p style="font-family:"><b><strong style="color:rgb(0,0,0);font-size:12pt;white-space:pre-wrap;">Equal Opportunity Employer:</strong></b></p><p style="font-family:">AspenView is proud to be an equal opportunity employer. We believe in creating an environment where all employees feel welcome, valued, and empowered to succeed. We celebrate diversity and strive to build a culture of inclusion where all individuals, regardless of their race, color, gender, gender identity or expression, sexual orientation, disability, age, or any other characteristic, can thrive. We encourage applicants from all walks of life to join our team and make a lasting impact.</p><p>Originally posted on <a href="https://himalayas.app">Himalayas</a></p>