Network Security Engineer - Atlanta, Ga or Remote (non-Georgia)

Atlanta, Georgia

Posted in Building and Construction

This job has expired.

Job Info

Job ID: 481768

CRH's Americas Materials, a division of CRH, is the leading vertically integrated supplier of aggregates, cement, asphalt, readymixed concrete and paving and construction services in North America. Our operations span North America with 28,100 employees at close to 1,600 locations in 46 US States and 6 Canadian provinces.

Position Overview

The Network Security Engineer role is a member of the Cybersecurity Team, whose mission is to embed industry leading security practices that support and enable business objectives to be delivered safely. This specific position is a technical role, responsible for managing and driving enhancement of our Network security, through adoption of network best practices, and alignment with NIST and ISO 27001 security standards. The Network Security Engineer will be responsible for designing, implementing, and troubleshooting secure network solutions. This position requires strong partnership with IT, Global Security, business, and third-party stakeholders.

Key Responsibilities (Essential Duties and Functions)

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.

  • Serve as a member of the Cybersecurity Incident Response Team
  • Maintain the strict confidentiality, integrity and professional behavior expected of a Cybersecurity Professional
  • Provide overall Network security expertise including expert knowledge of NGFW, ISE, VPN, Umbrella, SDWAN, and other network technologies.
  • Deliver subject matter expertise for Network protocols and designs with emphasis on security.
  • Evaluate and lead network security projects from the perspective of information security standards and best practices.
  • Lead and participate in Network security and strategy discussions.
  • Review network designs and evaluate compliance to applicable security standards.
  • Create and maintain network security related policies, procedures, standards, and documentation as needed.
  • Maintain current configurations, carry out proper administration and support of network security systems (e.g., Firewalls, Cloud security appliances and services, VPNs, Enterprise Gateway Devices, Remote Access Solutions, Content Engines, IPS/IDS Systems)
  • Maintain current and relevant knowledge of common network, authentication, and security protocols (e.g., 802.1X, SNMP, TLS, SSL DNS, HTTPS, SMTP, LDAP, KERBEROS, RADIUS and FTPS)
  • Manage and monitor network security consoles and remediate alerts as appropriate.
  • Maintain and enhance operational runbooks.
  • Learn cross functional skills to participate in the management and monitoring of other Security applications and tools.
  • Establish and maintain good working relationships with all IT, Cybersecurity, third-party, service consumer, and business stakeholders.
  • Help monitor and enforce compliance with the organization's security policies and standards among employees, contractors, and third parties.
  • Regular and predictable attendance at assigned times is required.
  • Other duties as assigned.



  • Bachelor's degree in computer-related discipline or relevant equivalent experience.
  • 5+ years of experience with implementing and managing secure enterprise-wide technical network solutions in a large, distributed environment.
  • CCNA, CCIE, CCNA Security, or similar certifications desired.
  • Expert knowledge of NGFWs, Cisco ISE, and VPNs required.
  • Expert knowledge of OSI and TCP/IP models, SNMP, DNS, DHCP, NetFlow and other network protocols.
  • Expert knowledge of Cisco and Meraki firewalls and switches, Umbrella, and SDWAN technologies.
  • In depth knowledge and understanding of data encryption, TLS, PKI, etc.
  • Significant experience configuring and deploying network equipment.
  • Experience troubleshooting, diagnosing, and remediating network and traffic issues.
  • Experience with Cloud networking, firewalls and NSGs.
  • Experience in implementing Azure Cloud security best practices a plus.
  • Experience with Splunk a plus.

Work Requirements

  • Must be 18 years of age or older.
  • Must pass pre-employment drug screen and criminal background check.
  • Strict adherence to safety requirements and procedures as outlined in the Employee Handbook.
  • Willingness to work independently within a team environment and assist the team with other duties as required.
  • Ability to travel up to 25% as required by business needs.

Knowledge/Skill Requirements

  • Detail oriented.
  • Ability to work on cross-functional teams.
  • Ability to communicate professionally, both verbally and in writing, as well as deliver effective presentations to groups.
  • Ability to work with all levels of the organization: Executives to Clerks.
  • Self-motivated, proactive, and creative, with effective application of logic, reasoning, problem solving.
  • Demonstrates strong leadership qualities that can be used to guide a project.
  • Ability to organize and prioritize work; and strong ability to work with time/date deadlines.

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

  • Able to communicate with others by telephone and in person.
  • Able to utilize a computer for word processing, email communication, and preparation of documents and presentations.
  • May require sitting for extended periods of time.
  • Ability to lift and carry up to 50 lbs.
  • Ability to use tools to mount and remove hardware devices from walls and equipment racks.

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.

  • Usually, normal office working conditions.
  • The noise level in the work environment is usually quiet.
  • The position may require work outside of normal business hours.
  • Occasional work in dusty/dirty environment when at a production site.

The statements included in this job description are not intended to be all-inclusive. They represent typical elements and criteria necessary to successfully perform the job. Other duties may be assigned as required. Requirements for this job are subject to modification by the Company and its designees, and reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

What CRH Offers You

  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • A culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of large international organization.

If you're up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

CRH is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability--If you want to know more, please click on this link.

Date: Jun 14, 2023

Nearest Major Market: Atlanta
Job Segment: Construction, Network Engineer, Manufacturing Engineer, Information Security, Cisco, Engineering, Technology

This job has expired.

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