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Posted 3 months ago

Cybersecurity and Network Security Administrator

@ R W Tomlinson

Ottawa, Ontario

$70k–$110k/yr5+ years experience
Apply now
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Overview

R W Tomlinson is hiring a Cybersecurity and Network Security Administrator in Ottawa to run the organization's security program. The role covers incident response, firewall and VPN administration, Microsoft cloud identity security and governance projects. The posting states a salary range of $70,000 to $110,000 and an employer-paid benefits package.

Pay:

$70,000–$110,000 a year

Responsibilities:

  • Investigate security alerts and incidents
  • Administer enterprise firewalls, VPNs and segmentation
  • Manage Entra ID, Conditional Access and identity protection
  • Conduct risk assessments and architecture reviews
  • Develop cybersecurity policies and standards

Requirements summary:

  • Five or more years of IT experience, three in cybersecurity
  • Hands-on firewall and VPN administration
  • Experience securing Microsoft 365, Entra ID or Azure
  • Strong knowledge of TCP/IP, DNS, routing and VLANs
  • Experience with DLP and information protection

Tools & skills

Benefits mentioned

Health insuranceDentalRetirement planTuition supportEmployee discount
Source and dates

Source type not verified · csod

Employer posting date
2026-08-06
First seen by our source
2026-10-14
Source record updated
2026-10-21

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentIT
Experience5+ years
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Licences & certificationsCISSP, CISM, Security+, AZ-500, PCNSA, PCNSE
Perks mentionedRetirement plan, Tuition support, Performance bonus, Employee discount, Paid training

Summary and details written by AI from the posting; the employer’s posting is the authority.

R W Tomlinson

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Founded on strength. Guided by vision.

Full company description

Starting with a single-axle dump truck in 1952, R.W. Tomlinson Limited has transformed to become a multidisciplinary company with numerous divisions including construction, aggregate, asphalt, concrete, environmental services and more. Providing a comprehensive range of products and services is how we deliver value for our customers. Our commitment to quality can be seen in our approach to our work, as well as the durability of our end product. Our size gives us the experience, expertise and financial strength to undertake any project. Being privately owned and operated gives us the flexibility to respond quickly to our clients’ changing needs while maintaining long-term business relationships. When you work with our team, you can be assured that you are getting the best people for the job. Our knowledgeable, professional & committed employees have an unwavering work ethic, unparalleled customer service and uncompromising approach to safety and the environment. With more than 50 years of experience, we have gained a reputation for dependability, quality and great service. By focusing on creativity and innovation, Tomlinson finds solutions where others see barriers. Some of our capabilities include: • Complete management and construction of large civil, municipal & commercial infrastructure projects • Complete site development from excavation to asphalt with LEED certified material management • Solutions for infrastructure construction and rehabilitation, storm, sanitary water servicing, sewer and watermain installation, road and bridge construction, environmental servicing, waste management, remediation and demolition, etc. For more information and a full list of capabilities and products offered, please visit our website: http://www.tomlinsongroup.com/

LinkedIn followers
17,549
People associated on LinkedIn
550
Reported office locations
  • 100 Citigate Drive, Ottawa, Ontario K2J 6K7, CA
Business categories
  • Construction
  • Service Industry
  • Environmental Consulting
Other recorded names
  • R W Tomlinson
  • Tomlinson Group of Companies
Specialties
  • Aggregates
  • Asphalt
  • Construction
  • Demolition
  • Environmental Services
  • Ready-Mix Concrete
  • Sewer & Watermain
  • Northern Mining
  • Aviation Services
  • and Data Shredding & Records Management
Profile identifies a recruitment agency
No
Reported total investment
0

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Starting with a single-axle dump truck in 1952, R.W. Tomlinson Limited has transformed to become a multidisciplinary company with numerous divisions including construction, aggregate, asphalt, concrete, environmental services and more. Providing a comprehensive range of products and services is how we deliver value for our customers. Our commitment to quality can be seen in our approach to our work, as well as the…

FieldValue
IndustryConstruction
Company size501-1,000 employees
HeadquartersOttawa, Ontario
Organization typePrivately Held
Year founded1952
SpecialtiesAggregatesAsphaltConstructionDemolitionEnvironmental ServicesReady-Mix ConcreteSewer & WatermainNorthern MiningAviation Servicesand Data Shredding & Records Management
Open jobs on Jobsy40
LinkedInView page
Job description

Cybersecurity and Network Security Administrator

The Security Administrator will be responsible for implementing, maintaining, monitoring, and continuously improving the organization's cybersecurity program. This role will work closely with Infrastructure, Cloud, Networking, Business Systems, external Security Operations Centre (SOC) partners, and business leaders to identify risks, investigate security incidents, implement security controls, and support strategic cybersecurity initiatives.

Location: 100 Citigate Drive, Ottawa, ON

Vacancy Type: Replacement

DUTIES & RESPONSIBILITIES:

Security operations and incident response

Investigate security alerts and incidents.

Coordinate with the SOC/MSSP.

Improve detection and response processes.

Administer email, endpoint and cloud security controls.

Network and security infrastructure

Administer enterprise firewalls, VPNs and segmentation.

Review firewall policies and support migrations.

Secure routing, switching and remote connectivity.

Microsoft cloud and identity security

Manage Entra ID, Conditional Access and identity protection.

Support Defender, Microsoft 365 and Azure security controls.

Assist with DLP and information protection.

Governance and security projects

Conduct risk assessments and architecture reviews.

Develop standards and documentation.

Contribute to the development, implementation and maintenance of cybersecurity policies, standards, procedures and technical baselines.

Support Fabric, Purview and AI governance initiatives.

REQUIREMENTS:

Five or more years of progressive IT experience, including at least three years in cybersecurity, network security or infrastructure security.

Hands-on experience administering enterprise firewalls, VPNs, segmentation and network security controls.

Experience securing Microsoft 365, Entra ID or Azure environments.

Experience investigating security alerts or incidents.

Strong knowledge of TCP/IP, DNS, routing, switching, VLANs and identity security.

Strong written and verbal communication skills.

Ability to produce technical documentation and practical remediation recommendations.

Knowledge of Zero Trust Architecture and modern Identity and Access Management (IAM) principles.

Experience securing SaaS applications and cloud workloads.

Familiarity with vulnerability management platforms and security assessment tools.

  • Formal security policy development.

  • DLP implementation.

    Microsoft purview and Fabric.

    AI security and governance.

    Defender for Cloud Apps.

    Experience implementing or supporting Information Protection or Data Governance solutions.

    Industry certifications such as CISSP, CISM, Security+, Microsoft Security certifications, Azure Security Engineer Associate (AZ-500), or Palo Alto Networks certifications (PCNSA, PCNSE) are considered strong assets.

    COMPENSATION:

    The expected salary range for this position is $70,000 - $110,000 annually. Placement within the range is dependent on a variety of factors including qualifications and experience.

    TOMLINSON OFFERS:

    • Competitive wages
    • Bonus programs
    • Employer paid health and dental benefits
    • Extensive training programs and tuition reimbursement
    • Retirement benefits program
    • Family-oriented team environment
    • Employee discounts and other rewards programs

    The Tomlinson Group of Companies encourages applications from all qualified candidates. Please contact Human Resources if you need accommodation at any stage of the application process or want more information on our accommodation policies. We are committed to leveraging the latest technology to enhance our recruitment process. We may use AI tools in the screening and selection of candidates to efficiently and fairly assess all applicants. A Recruiter will review all results generated by AI. If you have any questions, please contact our HR department.

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