Network Security Engineer
Avance Consulting · Plano, United States
- Salary
- Not stated
- Job type
- Full-time
- Level
- Mid level
- Location type
- On-site
This role is hosted on the employer site. The Apply button opens the employer's own application page there — CareerHub does not collect your application for this listing.
What this role actually involves
CareerHub analysis
Avance Consulting is hiring a Network Security Engineer on a full-time basis in Plano, United States. The role is on-site and pitched at mid level, so the hiring team will expect working familiarity with the core skills listed below rather than classroom exposure. The responsibilities below are the ones worth rehearsing before an interview. Avance Consulting operates in general, which shapes both the pace of the work and the kind of examples that land well in an interview.
About the job
Network Security Engineer Must Have Technical/Functional Skills • Experience: 10 years in network security engineering, application delivery, or similar roles. • Infoblox: Hands-on experience with Infoblox DDI/IPAM administration. • Zscaler: Deep knowledge of Zscaler ZIA, ZPA, PAC files, and DLP engines. • F5: Proficiency in F5 BIG-IP LTM/GTM administration, including iRules and SSL certificate management. • Firewalling: Strong experience with Palo Alto Networks firewalls (Palo Alto experience preferred). • Networking Fundamentals: In-depth knowledge of TCP/IP, BGP, OSPF, VLANs, and DNS. • Automation: Familiarity with scripting languages (Python/Ansible) to streamline operations. Core Competencies • Troubleshooting: Expert analytical skills for debugging complex traffic, authentication, and network issues using Wireshark. • Collaboration: Ability to work with cross-functional teams to align network security with business objectives. • Communication: Strong written and verbal skills for creating procedures and reporting to stakeholders. Education & Certifications • Bachelor’s degree in computer science, Information Technology, or equivalent experience. Roles & Responsibilities • F5 Load Balancing & Application Delivery: Design, configure, and troubleshoot F5 BIG-IP LTM (Local Traffic Manager) and GTM (Global Traffic Manager) to ensure high availability, security, and performance of critical applications. • Zscaler Security Suite (SASE): Implement and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) to secure user access and enforce policies for web traffic and private applications. • Infoblox DDI Management: Deploy and manage Infoblox DNS, DHCP, and IP Address Management (IPAM) solutions. Responsible for core network functionality. • Firewall & Security Policy: Configure and manage enterprise firewalls (e.g., Palo Alto Networks) to enforce network security policies, including NAT, zone-based firewalling, and threat prevention. • Operational Excellence: Administer PAC files for proxy traffic routing, maintain SSL inspection policies, and troubleshoot network traffic flows. • Documentation & Compliance: Create and maintain network documentation, including diagrams, configurations, and change management procedures, ensuring audit readiness.
Responsibilities
Requirements
Salary insight
Avance Consulting has not published a salary for this Network Security Engineer role. That is common, and it is not a red flag by itself. Ask for the band at the first screening call — most recruiters will share it, and it saves both sides time. Before that call, decide on your own number for a mid level role in Plano, United States. Our salary guides give a starting point, and it is far easier to negotiate from a figure you have already justified to yourself.
Where this role leads
- 1Senior Network Security Engineer — depth in one area plus reliable delivery
- 2Lead Network Security Engineer or Network Security Engineer Manager — the branch point between people and craft
- 3Head of General function — three to six years out
How to apply for this role well
Tailoring your CV
- Put the listed skills in the top third of page one. Most screens for a Network Security Engineer take under a minute, and recruiters read top-down.
- Mirror the language of the listing where it is honest to do so. If the advert says "Network Security Engineer", write "Network Security Engineer" — not a synonym an applicant tracking system will miss.
- Lead each bullet with a verb and close it with a number. "Managed reporting" is invisible; "Rebuilt weekly reporting for 12 branches, cutting prep time from 6 hours to 40 minutes" is not.
- Keep it to two pages and export as PDF so your layout survives.
Your cover letter
- Open with the specific role and where you saw it: "I am applying for the Network Security Engineer role at Avance Consulting." No suspense, no throat-clearing.
- Paragraph two is the one that matters. Take a single requirement from the listing and give a concrete example of doing it, with the outcome.
- Show that you know something about Avance Consulting beyond its homepage — a product decision, a market they operate in, a recent change in general.
- Close with availability and a clear next step. Three to four short paragraphs, under 300 words, in the body of the email if you are applying by email.
- Never send the same letter twice. Reviewers can tell, and a generic letter is worse than none.
Before you hit send
- A CV tailored to this listing, saved as PDF with your name in the filename.
- A short cover note that names the role and one relevant result.
- Two referees who have agreed in advance to be contacted.
- An account on the employer site — the employer takes applications there.
Interview preparation
- Prepare a two-minute answer to "why this role at Avance Consulting?" that references the company's work in general.
- Have three STAR stories ready — situation, task, action, result — that cover your core skills.
- Expect at least one question about working on-site, especially how you keep work visible to people who cannot see your screen.
- Prepare two questions of your own. Good ones: what does success look like in the first 90 days, and what does the team find hardest right now?
Industry context
Avance Consulting works in General. As the organisation, that affects how the Network Security Engineer role is scoped: smaller teams tend to want breadth and a bias to action, larger ones want depth and evidence that you can work across functions. Candidates who research the sector — its customers, its regulation, its current pressures — interview noticeably better than those who research only the company.
Avance Consulting is hiring in Long Beach, United States. This profile was created from a job posting and has not yet been expanded by the employer.
Frequently asked questions
Is the Network Security Engineer role at Avance Consulting remote?
No. It is an on-site role in Plano, United States.
What salary does this role pay?
No salary has been published for this listing. Ask the recruiter for the band during the first call — it is a reasonable question and most will answer it.
How do I apply?
This listing is hosted on the employer site. The Apply button sends you to the employer's own application page there. You can also save the job here and track it from your dashboard.
How long does a response usually take?
Two to three weeks is typical. If you have heard nothing after ten working days, a short, polite follow-up to the recruiter is appropriate and will not count against you.
What experience level is required?
Mid level. If you meet roughly 70% of the requirements it is still worth applying — very few candidates match every line of a job advert.
How to apply for this role
Avance Consulting takes applications for this role on the employer site. Use the Apply button at the top of this page — it opens their application form directly. Save the job here first if you want to track it in your dashboard.
Apply on the employer siteKnow someone right for this role?
Share the listing — they land on this page with the full description and can apply from here.
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Listing last updated August 15, 2026. The analysis, skills breakdown, salary insight and interview guidance on this page were written by the CareerHub editorial team and are independent of the employer. Always verify pay and conditions with the employer before accepting an offer.