Ardent Mills

Senior Security Engineer

Remote US Full time

Senior Security Engineer

Position Summary:

As a Senior Security Engineer, you will provide deep technical leadership across detection engineering, endpoint/network/cloud security, and resilience. You will architect advanced controls, lead complex investigations, and mentor engineers while shaping the technical roadmap. This role partners closely across security and IT functions and provides cross-domain support to strengthen overall security coverage.

Your responsibilities:

  • Own detection engineering: SIEM use-cases, data pipelines, parsers, enrichment, and tuning to reduce false positives.
  • Lead threat hunting and purple-team exercises; drive control improvements based on TTPs (ATT&CK).
  • Architect endpoint and email security baselines; optimize EDR/XDR policies and response automation.
  • Implement and optimize Data Loss Prevention (DLP) technical controls and integrations in alignment with enterprise data protection requirements.
  • Guide vulnerability management strategy (risk-based prioritization, exploitability analysis, compensating controls).
  • Design partner in network security architectures (micro-segmentation, firewall policies, NDR) and secure remote access (SASE/ZTNA).
  • Provide key insights for cloud workload protection (CSPM/CWPP/CIEM) and secure identity governance integrations.
  • Perform root-cause analysis and forensics coordination, document findings and corrective actions.
  • Mentor engineers; set coding and automation standards for security tooling and integrations.
  • Drive technology selection, POCs, and reference implementations; maintain technical roadmaps.
  • Track and improve detection quality metrics (e.g., false positives, coverage, MTTR).
  • Represent security in architecture boards and major program decisions.
  • Develop and maintain security automation and response playbooks in partnership with SOC/MDR providers to improve detection and response efficiency.
  • Familiarity with OT/ICS security considerations in manufacturing environments.
  • Partner with SOC/MDR provider to continuously improve detection coverage and tuning.

Essential skills and experience:

  • Bachelor’s degree in computer science, Engineering, or related field (or equivalent experience).
  • 7-10 years in security engineering/operations with demonstrated leadership in complex environments.
  • Expertise in SIEM/XDR (e.g., Microsoft Sentinel, Defender XDR), network security, identity security, and cloud security platforms.
  • Experience working with SOC/MDR providers in a co-managed security model.
  • Experience working in hybrid environments spanning on-premises and Azure cloud.
  • Strong automation and scripting (Python/PowerShell); familiarity with data engineering for security telemetry.
  • Certifications: CISSP; OSCP or equivalent offensive credential; GIAC (GCIA/GCED/GREM) or similar advanced certs; CCSP.

Good to have:

  • Experience leading red/purple team programs and building detection-as-code.
  • Certifications: SANS/GIAC GSE, AWS/Azure professional-level security certifications.

Physical requirements and working conditions (with or without reasonable accommodation):

  • Remote eligible; occasional travel; availability during high-severity incidents.  On-call rotation for major incidents.

Other considerations:

  • May act as technical owner for key platforms and represent security in executive forums.

At Ardent Mills:

At Ardent Mills, everyone matters and everyone has a voice. We are committed to providing an environment of mutual respect where equal opportunities are available to all applicants and team members and the decisions will be based on merit, competence, performance, and business needs. We are proud to be an equal opportunity employer. We do not discriminate on the basis of race, color, religion, creed, national origin, aboriginality, ancestry, marital status, sex, sexual orientation, gender identity or expression, physical or mental disability, pregnancy, genetic information, veteran status, age, political affiliation, or any other non-merit characteristic protected by law or not. Together, celebrating our differences, we make Ardent Mills.

The preceding position description has been designed to indicate the general nature and essential duties and responsibilities of work performed by employees within this position. It may not contain a comprehensive inventory of all duties, responsibilities, and qualifications required of employees in this position. The description, duties, functions, and responsibilities are subject to change at the discretion of Ardent Mills.

Location:

At this time, Ardent Mills is not hiring in the following states: Alaska, Connecticut, District of Columbia, Hawaii, Mississippi, New Mexico, Rhode Island, and Wyoming. Candidates must reside in an eligible state to be considered for employment.

 

 

Remote US

Address:

1875 Lawrence Street, Denver CO, 80202

Additional Locations (if applicable):

Employment Type:

Full time

Additional Information:

Competitive Compensation:

We provide market-driven base pay, based on skills, abilities, and level of experiences. Our salary ranges are broad, and individual salary will be market competitive based on a candidate’s unique set of skills and level of experience. The starting range for this position is $140,000.00 - $200,000.00, with additional earning potential possible commensurate with experience. Additionally, we believe that our team members are the reason for our success and all team members are incentive eligible with a target based on contribution, company performance, and individual results achieved. While the specific bonus plan and target amount will be determined based on the role and breadth of contributions, the targeted bonus plan and targeted percentage amount for this role is Bonus - MIP, 15% Annual.

Benefits:

At Ardent Mills we offer a wide range of benefits to our team members and their eligible family members. Some of our great benefit programs you may be eligible for include: • Medical, Dental and Vision Coverage• Health and Dependent Savings Accounts • Life and Disability Programs • Voluntary Benefit Programs • Company Sponsored Wellness Programs • Retirement Savings with Company Match • Team Member and Family Assistance Program (EAP) • Paid Time Off and Paid Holidays • Employee Recognition Program with Rewards (RAVE).

Application Deadline:

04/30/2026

04/30/2026

EEO Commitment:

At Ardent Mills, everyone matters and everyone has a voice. We are committed to providing an environment of mutual respect where equal opportunities are available to all applicants and team members and the decisions will be based on merit, competence, performance, and business needs. We are proud to be an equal opportunity employer. We do not discriminate on the basis of race, color, religion, creed, national origin, ancestry, marital status, sex, sexual orientation, gender identity or expression, physical or mental disability, pregnancy, genetic information, veteran status, age, political affiliation, or any other non-merit characteristic protected by law or not. Together, celebrating our differences, we make Ardent Mills. The preceding position description has been designed to indicate the general nature and essential duties and responsibilities of work performed by employees within this position. It may not contain a comprehensive inventory of all duties, responsibilities, and qualifications required of employees in this position. The description, duties, functions, and responsibilities are subject to change at the discretion of Ardent Mills.

En Ardent Mills, todos importan y todos tienen voz. Estamos comprometidos a brindar un ambiente de respeto mutuo donde haya igualdad de oportunidades disponibles para todos los solicitantes y miembros del equipo y las decisiones se basarán en el mérito, la competencia, el desempeño y las necesidades comerciales. Estamos orgullosos de ser un empleador que ofrece igualdad de oportunidades. No discriminamos por motivos de raza, color, religión, credo, origen nacional, ascendencia, estado civil, sexo, orientación sexual, identidad o expresión de género, discapacidad física o mental, embarazo, información genética, condición de veterano, edad, política. afiliación, o cualquier otra característica no meritoria protegida por ley o no. Juntos, celebrando nuestras diferencias, formamos Ardent Mills. La descripción del puesto anterior ha sido diseñada para indicar la naturaleza general y los deberes y responsabilidades esenciales del trabajo realizado por los empleados dentro de este puesto. Es posible que no contenga un inventario completo de todos los deberes, responsabilidades y calificaciones requeridas de los empleados en este puesto. La descripción, los deberes, las funciones y las responsabilidades están sujetos a cambios a discreción de Ardent Mills.

Recruitment Fraud Disclaimer:

At Ardent Mills, the security of our employees and candidates is a priority. We will never request sensitive information such as your bank account information, social security number, or other non-publicly available information during the application and interview process. If someone asks you for sensitive information, we strongly advise that you assume that individual is not affiliated with Ardent Mills. Some things to watch out for: 

  • Slightly altered or unprofessional email addresses. Ardent Mills’ Recruitment team only corresponds from email addresses with the domain first.last.talent@ardentmills.com or first.last@ardentmills.com. 

  • Vague job requirements or job descriptions. Our open job opportunities and descriptions can be found at ardentmillscareers.com