Top Cybersecurity Jobs

Hunt and close net-new enterprise logos within a defined LA/Orange County territory. Own the full sales cycle from prospecting to close, present cybersecurity/SaaS solutions to executive and technical stakeholders, collaborate with technical teams for demos/POVs, manage pipeline and forecasts, and identify upsell opportunities to maximize customer lifetime value.

As an IAM Engineer, you'll support IAM projects for government clients, manage user privileges, and help secure identities against cyber threats.

Own and grow strategic cybersecurity accounts within a territory. Build multi-year account plans, lead cross-functional teams to execute sales cycles, develop a large pipeline, manage accurate forecasts, engage executive clients quarterly on goals and progress, and exceed gross margin and quota targets using Force Management principles.

Oversee daily operations of the MACC-TTE cyber training/testing center. Manage customer support for events, integrate sponsor requirements, control projects/budgets/schedules, serve as primary POC, be on-site during regular duty hours, and act as backup to the Program Manager as needed.

Drive net-new enterprise sales into accounts with $1B+ revenue across a defined territory. Build territory plans, prospect, manage complex, multi-stakeholder sales cycles, close six-figure+ deals, forecast pipeline, work with technical experts and channel partners, travel to customer and events (≈30–40%), and meet/exceed sales targets.

Own product positioning and GTM strategy for assigned cybersecurity hardware and software products. Lead full relaunch campaigns, analyze competitors and buyer personas, translate technical capabilities into market messaging, build sales enablement, direct content and creative, and develop expertise in government and DoD procurement and channel enablement.

Provide remote network and cybersecurity subject-matter expertise for the NIH NIAID NEAT contract: analyze, design, integrate, document, and implement infrastructure and security solutions; evaluate and plan new technologies; support information systems architecture, networking, telecommunications, risk management, software lifecycle, and optimization; assist senior consultants and ensure quality of service and regulatory/policy compliance.

Lead design and hands-on implementation of secure, resilient enterprise infrastructure across on‑prem, cloud, and hybrid environments. Drive network and cloud modernization, security monitoring, incident response, CMMC/NIST compliance, disaster recovery, secure AI adoption, and documentation. Mentor engineers and coordinate across engineering, compliance, facilities, and program teams.

Lead and execute adversary emulation and purple team operations to validate detections, logging, and response. Build repeatable MSV-based validation workflows, develop custom offensive tooling (C2, payloads, automation), test cloud and endpoint attack paths (AWS, GCP, Azure), and partner with Detection Engineering and Incident Response to convert findings into improved detections, documentation, and hunts.

Lead and scale engineering and product development for a cyber, compliance, and GRC platform. Embed AI across products, own platform architecture, drive agile high-velocity delivery, ensure security and data integrity, translate regulatory frameworks into workflows, and build a high-performing engineering team aligned with business leaders.

The intern will assist in testing cybersecurity processes, conduct research, produce content, and support the cybersecurity team in incident response activities.

The Associate IT Auditor will assist in IT audits by evaluating controls, analyzing risks, preparing reports, and ensuring compliance with regulations.

Analyze target networks, support cyber operations through cybersecurity data analysis, vulnerability assessment, and operational planning activities. Requires experience in network security and analysis.

The Incident Management Lead directs enterprise-wide incident response, manages advanced cyber defense operations, and guides teams in cybersecurity threat responses.

Support development and analysis of mobile devices for cyber missions. Work includes mobile OS and Bluetooth analysis, C programming, embedded development, reverse engineering across architectures, and executing CNO/cybersecurity operations in a classified environment.

As Jailbreaking Lead, you will engineer jailbreaks for frontier AI models, lead red-teaming engagements, mentor team members, and shape the research agenda to address vulnerabilities in AI systems.

The Senior Reverse Engineer will reverse engineer complex code bases, collaborate with analysts, and perform development tasks while supporting a U.S. Government customer.

The Cybersecurity Operations Researcher conducts analytical studies on risk and security data while collaborating with multidisciplinary teams. Responsibilities include applying cybersecurity knowledge, analyzing network security challenges, and producing technical documentation. The role involves engaging with international stakeholders and delivering training and tools to enhance cybersecurity operations.

Lead a cleared, multidisciplinary delivery team for a classified federal IT and cybersecurity services program. Accountable for contract performance, staffing, schedules, risk, quality, deliverables, stakeholder engagement, transition, reporting, and identification of growth and modernization opportunities.

Lead enterprise architecture and technical solution design for classified IT environments supporting national security and law enforcement. Translate mission needs into secure, scalable solutions; guide modernization, integration, and sustainment; mentor technical teams; perform design reviews, trade studies, and proposeable solutioning to support account growth and classified program delivery.

The Cybersecurity Engineer will assess cybersecurity architectures, recommend improvements, maintain system security status, and guide engineers while delivering presentations and managing project documentation.

The role involves facilitating data movement across security domains, developing documentation, standardization, and enhancements to content presentation with minimal guidance.

Responsible for accrediting IC systems, implementing software security techniques, conducting security testing, and providing consulting on secure coding practices.

The Partner Development Manager will manage strategic partnerships in the federal sector, develop go-to-market strategies, and support government procurement processes while ensuring strong relationships with resellers and system integrators.

ARSIEM Corporation offers internship opportunities through the Skillbridge Program for separating military service members, focused on Cybersecurity, Software Development, and Systems Engineering.