NorthMark Strategies

Senior Network Security Engineer

Dallas, TX · Senior

No sponsorshipDetected 21 days ago

AWSGCPAzureCloud PlatformsCybersecurityNetwork SecuritySIEMSOC OperationsComplianceTCP/IPFirewallCiscoLoad BalancingResearchLeadership

About the role

This role brings strong technical depth in network security architecture and controls, applying sound judgment to resolve complex problems and balance technical integrity with delivery speed.

Contribute to the design, implementation, and delivery of scalable network security architecture and controls including firewalls, IDS/IPS, and VPNs across on-premises and cloud environments Serve as the team's primary subject matter expert for network security technologies, providing guidance and technical direction on complex security challenges
Collaborate effectively with cross-functional peers across infrastructure, cloud, and IT operations, communicating technical decisions and progress with clarity and ensuring alignment across teams
Develop and maintain network security standards, policies, and technical documentation
Support network segmentation and micro-segmentation efforts by providing technical expertise on traffic flows, access controls, and policy enforcement
Proven ability to identify and deliver process improvements, automation opportunities, and tool enhancements within a security engineering function

7+ years of experience in network security engineering, with hands-on experience across trusted, untrusted, and DMZ environments
Strong understanding of network protocols and the OSI model, with practical experience in TCP/UDP-based applications, routing, switching, and load balancing
Experience securing both on-premises and cloud network environments (AWS, Azure, or GCP)
Experience designing and securing network environments across both on-premises and cloud platforms (AWS, Azure, or GCP)
Experience with security monitoring tools and SIEM platforms, with the ability to investigate and respond to network-based threats
Strong understanding of security frameworks and hardening standards such as NIST, CIS Benchmarks, or ISO 27001
Effective communicator with the ability to articulate technical decisions and trade-offs clearly to both technical peers and leadership
Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Relevant certifications preferred, such as CCNP Security, PCNSE, CISSP, or equivalent
Experience with VxLAN EVPN data center architecture
Background in SOC operations or working with MSSPs
Firewall automation experience

Medical insurance in our PPO plan and a variety of other benefits such as Health Savings Accounts (with Company Contribution!), Flexible Spending Accounts, Supplemental Life Insurance, Wellhub and more.
Company-Paid Lunch Stipend: Lunch is provided via GrubHub
Time Off: 25 days of Paid Time Off plus 12 company holidays

NORTHMARK STRATEGIES LLC IS AN EQUAL EMPLOYMENT OPPORTUNITY EMPLOYER.
THE COMPANY'S POLICY IS NOT TO DISCRIMINATE AGAINST ANY APPLICANT OR EMPLOYEE BASED ON RACE, COLOR, RELIGION, NATIONAL ORIGIN, GENDER, AGE, SEXUAL ORIENTATION, GENDER IDENTITY OR EXPRESSION, MARITAL STATUS, MENTAL OR PHYSICAL DISABILITY, AND GENETIC INFORMATION, OR ANY OTHER BASIS PROTECTED BY APPLICABLE LAW.
THE FIRM ALSO PROHIBITS HARASSMENT OF APPLICANTS OR EMPLOYEES BASED ON ANY OF THESE PROTECTED CATEGORIES.

Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

This listing is sourced directly from NorthMark Strategies's careers page and normalized into a canonical job model.