Sr. Security Architect Olin Corporation


Olin Corporation is hiring a Sr. Security Architect to be located in Clayton, MO. Remote office location is a possibility for the right candidate. The Sr. Security Architect is responsible for assisting the Information Security Team in protecting Olin’s data assets while enabling the business.  This role is key to ensuring Olin’s security footprint is accurately architected, designed, configured, alerting, and reporting, along with assisting and in many cases lead security design decisions/approvals on the Business and Industrial Control System (ICS) networks.  Additionally, the role includes reviewing security access requests, assessing vulnerability management reports, assisting with incident management, working with senior management to improve security standards/procedures, and enhancing Olin’s overall security footprint.  This person must have ability to work both remotely and from the corporate office (when needed), a self-starter, can-do attitude, excellent written and verbal communication skills, works well with peers, and flexible/accommodating to changes in priorities.

Company Bio: Olin Corporation

Olin Corporation is a leading vertically-integrated global manufacturer of chemical products and a leading U.S. manufacturer of ammunition. Olin is the world’s leading producer of chlor alkali products and vinyls, the number one supplier of epoxy materials, the number one global seller of membrane caustic soda and chlorinated organics and the number one North American seller of chlorine, bleach and hydrochloric acid. Winchester's principal manufacturing facilities produce and distribute sporting ammunition, law enforcement ammunition, reloading components, small caliber military ammunition and components and industrial cartridges.


  • Primary Security Architect responsible for working with senior security management team in building and enhancing Olin’s security footprint
  • Work with peers from manufacturing, IT infrastructure, and other related business teams in architecting secure communications both within the internal network, and externally [includes communications within the ICS network, between ICS and Business segments, and between Olin and its business partners]
  • Recommend security solutions that fulfill existing security policy and procedures, architect and assist with implementation where needed
  • Recommend security tools and services that help secure Olin’s data footprint include IPS/IDS, AV, threat visibility tools, certificate authorities, web content management, SIEM, vulnerability assessment tools, and related items
  • Recommend and assist with implementation of cloud and Microsoft security controls
  • Partner with MSPs (managed service providers) and internal team security analyst(s) to enhance current SIEM and SOC services to further improve data ingestion into SIEM, effectiveness of correlation rules, and overall alerting mechanisms
  • Works with SOC, Olin IT teams, and GIS to remediate security incidents as appropriate
  • Make recommendations to ensure web and content management system is effectively configured to securely manage web traffic
  • Assesses complex security requests, provide response (approval/deny, etc.) where appropriate
  • Researches and analyzes threats and their behavior, recommends remediation plans and assist with execution where applicable
  • Candidates should demonstrate in-depth knowledge of OSI model and TCP/IP enterprise network services in addition to a demonstrated capability to perform network packet analysis and anomaly detection
  • Assist senior management with creation/editing of security policy and procedures
  • Employs effective communications when assisting with security architecture, design, and/or incident management efforts
  • Performs vulnerability reporting over time including trend reporting and analysis
  • Assists team with various annual security compliance audits, including providing detailed reporting and evidence for various controls

Qualifications / Requirements

  • Bachelor's degree* in Computer Science, Cybersecurity, or related field required; Master's degree preferred
  • Minimum of 10 years of IT Security experience
  • Understanding of network and security architecture best practices
  • CISSP and/or CCNA certification or related knowledge level
  • Experienced with recommending and implementing Microsoft ATP security controls
  • Experienced with security architecture design including Firewalls, routers, switching, Wi-Fi, and security appliances and services (i.e. IPS/IDS, AV, threat visibility tools, certificate authorities, web content management, SIEM, vulnerability assessment tools, and related items)
  • Understanding of Active Directory design and related security controls
  • Understanding of MS Azure cloud service offerings and related security controls
  • Proven experience with implementation of security related network devices (i.e. firewalls, IPS/IDS), understanding of OSI model, net-flows, and client/server infrastructure design
  • Ability to implement standard procedures for incident response while interfacing with management
  • Proven experience working with content management systems (i.e. Forcepoint, Bluecoat, etc.)
  • Proven experience with SIEM tools including purpose, correlation rule design, and related monitoring and reporting best practices
  • Proven experience triaging security related incidents and understanding how to utilize incident response plans
  • Ability to demonstrate knowledge of TCP/IP enterprise network communications and perform network packet analysis and anomaly detection
  • Proven experience evaluating security tools, and making recommendations based on 3rd party and internal lab reviews
  • Proven experience working with IT auditors and providing evidence for related controls
  • Proven experience with Advanced Persistent Threat groups (Tactics, Techniques, and Procedures/Indicators of Compromise)
  • Proven experience with writing security or related IT policies and procedures
  • Proven experience reviewing infrastructure designs, finding security gaps, and making recommendations to ensure a secure implementation, both Business and ICS network environments
  • Excellent written and verbal communication skills
  • Professional demeanor and ability to interface with all leves of the organization
  • Flexible with work-from-home and/or in-office work schedule (hybrid mix)

*Degree must be from a school that is accredited by an accrediting agency recognized by the Secretary of Education of the U.S. Department of Education or equivalent program from an international university.

*Olin does not provide any form of sponsorship to applicants not authorized to work in the US.

*This position requires access to ITAR controlled technical data, and as such, employment will be contingent upon the candidate's ability to access ITAR controlled technical data pursuant to an export license approved by the Directorate of Defense Trade Controls, if required.

Olin is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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