Network Security Engineer

Job Responsibilities : Network Security Engineer

Salary : $98600 per year

Company : Costco Wholesale

Location : Dallas, TX US

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This is an environment unlike anything in the high-tech world and the secret of Costco’s success is its culture. The value Costco puts on its employees is well documented in articles from a variety of publishers including Bloomberg and Forbes. Our employees and our members come FIRST. Costco is well known for its generosity and community service and has won many awards for its philanthropy. The company joins with its employees to take an active role in volunteering by sponsoring many opportunities to help others. In 2018 Costco contributed over $39 million to organizations such as United Way and Children’s Miracle Network Hospitals.

Costco IT is responsible for the technical future of Costco Wholesale the second largest retailer in the world with wholesale operations in twelve countries. Despite our size and explosive international expansion we continue to provide a family employee centric atmosphere in which our employees thrive and succeed. As proof Costco consistently ranks in the top five of Forbes “America’s Best Employers”.

The role of every Security Engineering team member is to support the overarching values and business goals of Costco Wholesale as they relate to meeting legal ethical and regulatory obligations; protecting member’s and employee’s privacy; and maintaining a security technology environment for our operations.

This Engineer position will be a key member of the Security Engineering – Network Security team that will design develop and deploy tools services programs and projects involving network security technologies. Additionally they will work with management and vendors for product consideration; perform auditing of information system activities; as a Subject Matter Expert provide consultative services; drive innovation in technology process and procedure; and maintain operational excellence for their tools services and programs; create and maintain documentation related to policies standards and procedures; lead and mentor team members with lesser subject matter expertise. This will involve working with many groups throughout IT both domestically and internationally.

If you want to be a part of one of the BEST “to work for” companies in the world simply apply and let your career be reimagined.


Takes assessment of existing Security Engineering platforms and tools.

Creates the roadmap for addressing capability gaps maturity improvements and innovation.

Mentors and develops team members.

Evaluates and hardens tooling and instrumentation to prevent cybersecurity exploits.

Performs and/or coordinates regular security assessments of existing or new infrastructure.

Performs duties necessary to assist in establishing practices and system configurations to ensure the safety of information systems assets and to protect information systems from intentional or inadvertent access or destruction.

Works with information systems custodians (i.e. department managers user community and systems administrators) at different levels in the organization to understand their respective security needs and assist with implementing practices and procedures consistent with Costco’s Information Security Policy.

Assists with monitoring and auditing of information systems activities and systems to confirm information security policy compliance and provide management with security policy compliance assessments and system monitoring reports.

Works with stakeholders to provide security solutions that support their business requirements.

Identifies develops and implements mechanisms to detect security incidents in order to enhance compliance with and support of security standards and procedures in place.

Conducts security risk assessments on new products and systems periodic security risk assessments on existing systems and identify and/or recommend appropriate security countermeasures and best practices.

Coordinates activities or engagements with loss prevention interact with legal and law enforcement as required.

Identifies security gaps that expose Costco to potential exploit and develops short and long term prioritized remediations to address those gaps ensuring management is apprised of the risk in a timely manner.


Subject Matter Expertise with network technologies segmentation and/or security zones.

Automation and Orchestration experience with managing network infrastructure at scale.

Experience with scripting/programming languages (PowerShell shell scripting python etc.) a plus.

Experience integrating disparate systems using APIs.

Good working knowledge of Authentication protocols such as: Kerberos SAML OAUTH etc.

Experience with networking technologies such as firewalls routers load balancers and proxies.

Experience with network segmentation and/or security zones for applicable data protection according to data classification.

Willing to share knowledge with co-workers and to assist them in understanding technical and business topics.

Working knowledge of information systems security standards and practices (e.g. access control system hardening system auditing log file monitoring security policies and incident handling).

Demonstrated experience of “hands on” security knowledge of one or more of the following platforms: Firewalls UTM Forward/Reverse Proxies DDoS Mitigation Log aggregation WAF etc.

Demonstrated experience of “hands on” security knowledge of one or more of the following platforms: Windows Linux AIX iSeries.

Experience with wired and wireless network-based passive and active controls like IDS and IPS.

Working knowledge of networking protocols web technologies and cloud computing.

Ability to interpret information security data and processes to identify potential compliance issues.

Ability to quickly understand complicated data flows in order to identify and validate security requirements.

Must be a team player and willing to establish a strong positive working relationship with all areas of the business.

Ability to work effectively independent of assistance or supervision.

Innovative creative and extremely responsive with a strong sense of urgency.

Ability to clearly communicate Information Security matters to executives auditors end users and engineers using appropriate language examples and tone.

Scheduling flexibility to meet the needs of the buisness including evenings weekends and holidays.


One or more professional network and security certifications such as Security+ Network+ CCNA GSEC CISA or CISSP (or equivalent work experience).

A Bachelor’s degree in Computer Science or a minimum of 8 years of information systems security or related network security experience.

Experience performing computer forensics.

Experience with ITILv2/v3 processes such as Service Support Service Delivery or Continual Service Improvement.

Experience with Regulatory Compliance and industry standards such as HIPAA SOX and PCI.

Experience in a DevOps or DevSecOps environment.

Required Documents

Cover Letter


California applicants please click here to review the Costco Applicant Privacy Notice.

Apart from any religious or disability considerations open availability is needed to meet the needs of the business. If hired you will be required to provide proof of authorization to work in the United States. Applicants and employees for this position will not be sponsored for work authorization including but not limited to H1-B visas.

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