Senior Security Engineer

Reposted 14 Days Ago
Chicago, IL
In-Office
Senior level
Artificial Intelligence • Information Technology • Software • Analytics • Cybersecurity • Generative AI
Cybersecurity is reactive, complex, and costly. We're out to change that.
The Role
As a Senior Security Engineer, you'll manage security operations, develop response strategies, automate processes, and mentor junior staff within a 24x7 Managed Security Services environment.
Summary Generated by Built In

Reporting to the Team Lead, Security Operations Engineering, the Security Operations – Senior Security Engineer will be part of a team of highly specialized engineers dedicated to solving complex, security specific challenges in support of 24x7 Managed Security Services.  Working in a rapid startup environment, the Senior Security Engineer builds and supports methods, integrations, automations, and drives efficiency to further our depth of detection and response capabilities. The Senior Security Engineer works closely and collaboratively with the different levels of the Security Services organization to deliver consistent and timely services to customers.

Responsibilities Include:

  • Work with the Security Operations Team to proactively identify, contain, and mitigate threats and vulnerabilities and provide metrics for reporting.
  • Develop processes and procedures for incident response, threat modeling, threat intelligence, and threat hunting.
  • Develop, implement, and enhance customer detection rules, integrations, parsing logic, dashboards, and automations within a UncommonX platform
  • Build processes and playbooks which leads to the automation of remediation and response actions and feeds the Machine Learning pipeline.
  • Lead the deployment and configuration of UncommonX security tools.
  • Provide mentoring to Security Engineers and Security Analysts.
  • Identify technology and/or configuration gaps in customer environments to aid in improving their security posture.
  • Provide tactical guidance during active customer security incidents.
  • Provide support to the Security Advisory Services team in the delivery of consulting services as it relates to security operations, threat management, vulnerability management and incident response.
  • Work independently as well as with a team to rapidly solve complex problems presented by the managed security services team.

Key Competencies:

  • 5+ years or more of demonstrated experience with a focus in areas such as systems, network, and/or application security.
  • 3+ years of experience working in security response, security automation tooling, or threat intelligence.
  • 3+ years of experience supporting Security Operations teams and incident response
  • 2+ years of experience supporting help desk operations
  • 2+ years of experience in content development (rules, reports, dashboards, integration, normalization, etc) within SIEM platforms.
  • Strong knowledge of technology and security controls related to the detection, analysis, containment, eradication, and recovery from cyber security incidents
  • In-depth understanding and hands-on experience with the configuration of security tools, including Firewall, IDS/IPS, EDR, CASB, Cloud Security, and Vulnerability Scanners
  • Deep understanding of Elastic, ElastAlert and ClickHouse
  • Ability to quickly and effectively learn new technologies and keep up to date with the latest industry trends
  • Ability to communicate effectively with all levels of staff, management, and clients both verbally and in writing

Educational/Certification Requirements/Assets:

  • Undergraduate Degree in Business, Engineering, or Computer Science, or equivalent experience.
  • Familiarity with malware analysis, forensics, SOAR, SIEM platforms, and a variety of Operating Systems (MS Windows, Linux, MacOS).
  • Advanced expertise in the deployment and configuration of Cisco and Microsoft security solutions
  • Expertise in Elastic and ClickHouse environments with a focus on content development.
  • Professional Certifications an advantage but not essential if have requisite role knowledge. GIAC, CISSP certifications a plus.
  • Familiarity with industry/regulatory frameworks such as NIST CSF, ISO27001, SOC2, PCI/DSS a plus.
  • Chicago, IL based
  • No visa sponsorships available

Top Skills

Casb
Cisco
Clickhouse
Cloud Security
Edr
Elastic
Firewalls
Ids/Ips
Microsoft
SIEM
Uncommonx
Vulnerability Scanners

What the Team is Saying

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The Company
HQ: Chicago, IL
40 Employees
Year Founded: 2020

What We Do

Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision.

We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives organizations complete visibility across their entire environment — on-prem, cloud, OT, IoT, and beyond — without deploying agents or disrupting operations.

We call it hyperconverged security: a smarter, unified approach that combines asset discovery, vulnerability management, threat intelligence, and log/event analysis in one platform. It allows IT/cybersecurity teams to understand what's exposed, prioritize what's urgent, and take action—before threats become incidents.

Our platform integrates seamlessly with hundreds of IT and security tools. It automatically uncovers every connected asset, rates its risk in real time using proprietary AI, and helps IT and security teams align on what matters most. And when incidents do occur, our expert 24/7 Security Operations Center (SOC) steps in as a true partner—containing threats, investigating root causes, and driving rapid remediation.

We serve enterprises in finance, healthcare, manufacturing, higher education, and beyond—organizations with complex environments and high expectations. They turn to UncommonX not for more noise, but for a platform that sees everything, secures it, and saves them money.

We value curiosity, accountability, and the drive to make things better—for our customers and each other. If you're ready to challenge the status quo and build something that matters, there’s a place for you at UncommonX.

Why Work With Us

At UncommonX, we’re building a team of curious, mission-driven professionals who aren’t afraid to challenge the status quo. We work fast, solve big problems, and support each other along the way. Whether you're in product, engineering, sales, or security, you’ll be part of something bigger: making cybersecurity work the way it should.

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UncommonX Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Work location and time in office are dependent on role.

Typical time on-site: Not Specified
Company Office Image
HQChicago, IL

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