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Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world.   For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things.

At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected. We take our responsibility for providing these essential communications very seriously and pride ourselves on offering a reliable lifeline when needed.  Likewise, Iridium is committed to providing an exciting and innovative workplace, where employees are challenged to think outside the box and collaborate on new, bold ideas and solutions.  Our talented teams are passionate about their work and the impact our company makes around the world.  Iridium fosters an empowering and inclusive culture that allows employees to genuinely be their best selves.   We are looking for others who want to join this truly unique company that celebrates our employees and provides the opportunity to truly make a difference in the world.

What We're Looking For:

Are you an experienced Security Engineer who thrives at the intersection of cybersecurity and AI? If so, we have an amazing opportunity for you! Iridium is seeking a Senior Security Engineer to help the team leverage AI to build and mature our detection, response and other AI enabled security capabilities across Iridium's unique ground network. In this role, you'll design and implement AI-augmented security workflows, develop detection-as-code pipelines, build playbooks and automated response procedures, and integrate large language models (LLMs) and AI agents into our security operations. You'll also be responsible for implementing new security technologies, upgrading and enhancing existing platforms, and helping the team adopt AI-driven approaches to threat detection, investigation, and incident response. This role will operate with a high degree of independence, critical thinking, and a builder's mindset.

What You'll Do:

• Create roadmaps and design solutions that integrate security into key projects across the business
• Design, build, and tune detection-as-code pipelines that leverage AI and machine learning to identify threats across endpoints, network, cloud, and identity systems
• Develop and maintain playbooks and automated response workflows that integrate AI agents for triage, enrichment, and containment
• Integrate LLMs and AI-driven tooling into security operations to accelerate threat hunting, log analysis, alert correlation, and incident investigation
• Drive to completion security solution implementations to improve prevention, detection, and response capabilities, while maintaining current knowledge of tools and best practices
• Enable the security team to adopt AI tools and techniques by building reusable patterns, providing hands-on guidance, and championing practical AI use cases for detection and response
• Foster teamwork by participating in design meetings, reviews, implementation projects, and coordinating with other departments
• Identify, develop, and maintain process and procedure documentation
• Suggest improvements and pursue additional training to maintain skills necessary to execute duties
• Other duties as assigned

What You'll Need to Succeed:

• Bachelor's degree in Computer Science or related technical discipline OR equivalent combination of education, technical certifications, or training
• 8+ years of direct work experience
• Hands-on experience building or maintaining detection-as-code pipelines, SIEM correlation rules, or SOAR playbooks
• Familiarity with prompt engineering, AI agents, or integrating LLM-based tools (e.g., coding assistants, security copilots) into security workflows
• Demonstrated experience using AI/ML tools, LLMs, or automation frameworks to build or improve security detection and response capabilities
• Experience developing or refining a secure Hybrid-Cloud architecture
• Proficiency in scripting or programming (Python, PowerShell, or similar) for automation and tooling development
• Strong knowledge of cloud security services in AWS and Azure
• Proficiency integrating security-oriented technology platforms
• Strong communication skills, with the ability to confidently present products, deliverables, analyses, and/or issues
• Possess a problem solver mindset, with the ability to understand a situation or problem and think critically to make decisions or come up with solutions
• Be comfortable managing upward, including being a proactive communicator and asking for help when needed
• Have confidence and be able to establish valuable relationships across departments
• Must be able to prioritize key tasks and have a strong sense of ownership over your work
• Be active in seeking out ways to continuously improve yourself and gain new knowledge

Things That Would be Great if You Brought to the Table:

• Experience building custom AI agents or workflows for security automation (e.g., using LangChain, Claude, OpenAI APIs, or similar frameworks)
• Experience with adversary emulation, purple teaming, or MITRE ATT&CK-based detection development
• Other Cloud Security Engineering and Design experience or certifications
• Experience in CTF competitions

We'll also need you to:

• Be on call (approximately 10% for things such as breaches or need for escalated support)
• Work a hybrid schedule that includes at least 3 days in office and 2 days from home
• Be able to travel up to 5%
• Be able to lift up to 50 pounds
• US Citizenship required

This position primarily works in the company office or in a home office. The position is largely sedentary with the majority of the position sitting in a chair and working with a computer. The role uses basic office equipment including a phone, video, computer, keyboard, mouse, and printer.

We believe in-person connection drives innovation, strengthens mentorship, and builds culture, while flexibility enables employees to do their best work. Under Iridium's Hybrid Work Policy, employees are expected to work at least three days per week (approximately 60%) in an Iridium office to support collaboration, relationship-building, and professional growth.

Additional Information

This job description outlines the general nature and level of work for this role and is not a comprehensive list of duties, responsibilities, or qualifications. Employees may be assigned additional responsibilities as needed.

Base Pay Range: $115,000 - $150,000 USD

Actual compensation will be determined based on a variety of factors and this range represents an estimate of compensation at the time of posting. Base salary is only one part of our compensation package for this role. You may also be eligible for company stock and annual bonus. Employee benefits also include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid time off and paid holidays; paid parental leave; and other discounts and perks.  

Iridium is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.