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Haystack

Systems and Network Security Engineer

Hybrid

North charleston, United states

$ 141,000 /year

Full Time

15-03-2026

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Skills

Communication Leadership Big Data Network Security Networking Training Analytics

Job Specifications

Systems and Network Security Engineer | North Charleston, SC | Hybrid | $61,900 - $141,000

We're working with a premier global defense consultancy and technology powerhouse on this exciting opportunity. They are the architects of mission-critical solutions that keep the nation's most sensitive infrastructure secure and operational.

Step into a pivotal role where you will secure DoD Command and Control (C2) infrastructure using advanced network security protocols and big data analytics. You'll leverage hands-on expertise in Cisco and Juniper environments to outpace advanced threats and implement robust defensive controls for military-grade systems.

The Role

Engineer and implement enterprise-scale cybersecurity controls, focusing on enhanced detection, vulnerability management, and event correlation.
Lead deep-dive risk and vulnerability assessments across complex network, system, and application architectures.
Utilize big data analytics and security telemetry to hunt for indicators of compromise (IoC) and neutralize advanced persistent threats.
Manage and optimize critical infrastructure using Cisco and Juniper routing and switching technologies to ensure 99.9% availability for DoD missions.
Collaborate with senior leadership to translate complex technical security risks into actionable strategy and mission success.

What You'll Need

Proven experience in IP networking, including advanced routing, switching, and IT network design/deployment.
Technical proficiency in performing end-to-end vulnerability assessments in high-stakes, large-scale enterprise environments.
Hands-on familiarity with Cisco (CCNA/CCNP preferred) or Juniper (JNCIA/JNCIS preferred) hardware and security configurations.
A Bachelor’s degree in a technical field and the clear ability to obtain and maintain a U.S. Secret security clearance.
Strong communication skills to bridge the gap between technical execution and executive-level security objectives.

What's On Offer

Highly competitive salary range ($61,900 - $141,000) with performance-based recognition awards.
Comprehensive "Total Well-being" package including premium health, life, and disability insurance plus a robust retirement program.
Extensive professional development support with tuition assistance and access to world-class technical training.
Flexible hybrid work model that prioritizes collaboration while respecting work-life balance through generous paid leave.

Apply via Haystack today!

About the Company

Discover Haystack - the UK's fastest growing tech hiring marketplace. Driven by our award-winning mobile app and web platform, Haystack connects active and passive tech talent directly with hiring managers and talent acquisition teams. We're trusted by over 150,000+ UK-based techies, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Football Radar to established e... Know more