Senior Platform Security Engineer

NorthMark Strategies LLC; Dallas (TX); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

Company-Paid Lunch Stipend

100% Employer-Paid Medical Coverage

401(k) with Company Match

25 days Paid Time Off

Job summary

NorthMark Strategies LLC in Dallas, TX, is seeking a Senior Platform Security Engineer to enhance security visibility and manage vulnerabilities across infrastructure and cloud environments. The role involves collaborating with engineering teams to ensure proactive security measures are integrated into development workflows.

The ideal candidate will have over 6 years of experience in security engineering, strong expertise in vulnerability management tools, and knowledge of cloud systems like AWS and Azure. This position offers a range of benefits including medical coverage and generous paid time off.

Qualifications

• Hands-on experience with vulnerability management tools.
• Strong understanding of software and infrastructure security.
• Experience integrating security tooling into CI/CD pipelines.

Responsibilities

• Design and operate vulnerability management program.
• Implement and tune real-time security monitoring tooling.
• Conduct platform-level security assessments.

Skills

Security engineering

Vulnerability management

Container orchestration (Kubernetes, OpenStack)

Cloud environments (AWS, Azure)

Scripting (Python, Bash, Go)

Education

6+ years in security engineering

Tools

Real-time security monitoring platforms (Qualys, Tenable, Prisma Cloud)

Job description

Senior Platform Security EngineerSkip to main content#Senior Platform Security Engineer page is loaded## Senior Platform Security EngineerApplylocations: Dallas, TXtime type: Full timeposted on: Posted 2 Days Agojob requisition id: R13193**The Company**NorthMark Compute & Cloud (NMC2) is backed by dedicated leadership and investment, with a clear mission as it operates at the bleeding edge of technology. Its goal is to scale and enhance the high-performance computing (HPC) and cloud infrastructure that supports its clients’ research, production, and delivery, enabling breakthroughs that shape the industries of tomorrow. Its engineers build critical infrastructure to eliminate friction in scientific research, simulations, analysis, and decision-making, accelerating discovery and driving faster innovation.**The Position**The Platform Security team sits within NMC2’s Security organization and is responsible for securing the engineering platforms and infrastructure that power our HPC and cloud environment. Our mission is to build real-time security visibility and a proactive vulnerability management capability into the core of how NMC2’s platforms are built and operated — ensuring that security is never an afterthought in an environment where the stakes are exceptionally high.As a Senior Platform Security Engineer, you will play a pivotal role in detecting, assessing, and remediating vulnerabilities across our platform engineering stack from bare-metal infrastructure and container orchestration through to cloud services and software supply chains. You will collaborate closely with Platform Engineering and DevOps teams to embed real-time threat detection and vulnerability management into the development lifecycle, ensuring our infrastructure is resilient, continuously monitored, and hardened against emerging threats.**Responsibilities:*** Own the design and operation of NMC2’s vulnerability management program across the platform engineering stack, including infrastructure, containers, and cloud services* Implement and tune real-time security monitoring and threat detection tooling, ensuring high-fidelity signal across our HPC and cloud environments* Partner with Platform Engineering and DevOps teams to integrate security scanning and vulnerability assessment into CI/CD pipelines and Infrastructure-as-Code workflows* Lead vulnerability triage and prioritization, working with engineering teams to drive timely and effective remediation of identified risks* Conduct platform-level security assessments, contributing to threat modelling and attack surface analysis across our infrastructure and software supply chain* Develop automation to continuously assess the security posture of our platforms, reducing manual effort and improving detection coverage* Contribute to the continuous improvement of platform security practices, tooling, and processes, helping foster a security-first culture across engineering**Requirements:*** 6+ years of experience in security engineering, with a strong focus on platform, infrastructure, or application security* Hands-on experience with vulnerability management tooling and real-time security monitoring platforms (e.g. Qualys, Tenable, Wiz, Lacework, Prisma Cloud, or similar)* Strong understanding of software and infrastructure security, including container security, supply chain risk, secrets management, and secure configuration* Experience securing container orchestration platforms such as Kubernetes and OpenStack, and cloud environments including AWS and/or Azure* Proficiency in Linux and familiarity with how platform engineering teams build and operate infrastructure* Experience integrating security tooling into CI/CD pipelines and IaC workflows, with scripting ability in Python, Bash, Go, or similar* Good knowledge of vulnerability scoring frameworks (CVSS), exploit maturity, and risk-based prioritization* A strong interest in the security domain and a collaborative approach to working with engineering teams to solve complex technical problems**Nice to Have:*** Experience with runtime threat detection tools such as Falco or eBPF-based security tooling* Familiarity with software supply chain security frameworks (e.g. SLSA, SBOM generation, Sigstore)* Background working within or alongside a SOC or threat intelligence function* Relevant certifications such as OSCP, GIAC (GPEN/GWAPT/GCSA), AWS Security Specialty, or equivalent*It is impossible to list every requirement for, or responsibility of, any position. Similarly, we cannot identify all the skills a position may require since job responsibilities and the Company’s needs may change over time. Therefore, the above job description is not comprehensive or exhaustive. The Company reserves the right to adjust, add to or eliminate any aspect of the above description. The Company also retains the right to require all employees to undertake additional or different job responsibilities when necessary to meet business needs.***Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.****Benefits & Perks:*** **Company-Paid Lunch Stipend**: Lunch is provided via GrubHub* **Company-Paid Benefits:** 100% Employer-Paid Medical in our High Deductible Health Plan, Dental and Vision benefits for employees and their families, 16 weeks of Paid Parental Leave, Employee Assistance Program, Life insurance, Short-Term Disability and Long-Term Disability* **401(k):** Company will match 100% of your contributions up to 6%* **Optional Employee-Paid Benefits:** 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.* **Time Off:** 25 days of Paid Time Off plus 12 company holidays**EQUAL OPPORTUNITY EMPLOYER**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.NorthMark Strategies is a leading strategic capital firm, combining capital, innovation, and engineering to drive long-term value. From operating complex businesses to backing breakthrough technologies, our mission is to deploy capital and build enduring businesses. Our team combines intelligent risk-taking, operational excellence, exceptional talent, and world-class computing capacity to create shareholder value.Our company offers a dynamic environment where individuals have the freedom to lead companies toward bold achievements by embracing innovation, leveraging technology, and fostering differentiated business strategies. Our values are Integrity, Ability, and Energy, and the company aims to hire individuals who possess those qualities.At NorthMark Strategies, we believe the future isn’t something to hope for, it’s something to build. We don’t just invest, we create. Bringing together strategic insight and technical horsepower to deliver outcomes that endure.