Top Entry Level Cyber Security Jobs

Design and present Qualys-based cybersecurity solutions for federal enterprise customers. Lead technical presales engagements, proofs of concept, architecture workshops, compliance assessments, and deployment health checks. Advise customers on asset and vulnerability management, patching, threat detection, cloud and application security, and compliance. Partner with sales, product management, marketing, and strategic partners to secure technical wins, influence product roadmaps, enable field teams, and create technical content. Requires at least 30% customer travel.

Supports advanced concept and technology development for customer and missile defense technologies. Assists with security architecture, systems engineering, test and evaluation, modeling and simulation, operational transition, classified technology assessment, classification recommendations, and integration planning. Requires a related bachelor’s degree and an active Top Secret or TS/SCI clearance. Position is contingent upon contract award.

Performs cybersecurity implementation and assessment activities for nuclear power plant upgrades and projects. Responsibilities include developing critical digital asset lists, conducting assessments, walkdowns, testing, and technical presentations; preparing specifications and modification packages; defining design criteria; selecting equipment; and configuring and testing digital devices. Requires collaboration with engineering teams, compliance with NRC regulations and nuclear industry standards, client-site travel, and maintenance of unescorted nuclear plant access.

Own and evolve security infrastructure for AI foundation-model platforms across compute, storage, networking, and data systems. Architect secure Kubernetes and cloud patterns, manage identity and secrets, secure data pipelines, create threat models, and automate policy enforcement and security checks. Partner with research and engineering teams to deliver scalable systems with strong security, reliability, and performance.

Designs and secures enterprise AI platform foundations for mission-critical environments. Responsibilities include threat modeling, tenant isolation, identity and authorization architecture, secure CI/CD, compliance-by-design, and protection of systems executing untrusted code, tools, or agent actions. The role partners with client engineering, product, security, and business stakeholders to deliver secure, reliable, and compliant platform capabilities.

Own and improve corporate security across identity and access management, endpoint protection, SaaS applications, Zero Trust, automation, detection, and incident response. Implement Entra ID controls, SSO, SCIM, MFA, RBAC, JML workflows, Intune policies, EDR, and security baselines. Automate security processes with Python or JavaScript, investigate alerts, remediate incidents, and partner with IT, Security, Engineering, and business teams in a fast-moving startup environment.

Secure and modernize TLS implementations in mainframe environments. Assess cipher suites and cryptographic security, troubleshoot TLS handshakes using Wireshark, inventory endpoints and dependencies, plan TLS 1.3 migrations, and develop standards, runbooks, monitoring, and reports while coordinating with mainframe, network, platform, and security teams.

Conduct cyber penetration testing, adversarial security assessments, system exploitation, network and architecture analysis, and security architecture reviews. Test enterprise systems, hypervisors, Windows installations, and cloud services; analyze results; and develop risk, threat, and mitigation plans. The role also communicates vulnerabilities and risk posture to senior executives and performs complex technical tasks with minimal direction.

The Cyber Security Engineer will support critical national security missions through cybersecurity engineering work within an information technology environment. The posting specifies full-time employment, a minimum TS/SCI clearance requirement, and up to 10% continental U.S. travel. CACI offers comprehensive benefits, professional development, flexible time off, and competitive compensation.

Serve as a customer-facing pre-sales security and compliance architect for defense and national security customers. Advise on DoD cybersecurity frameworks, authorization requirements, cloud architecture, network security, cryptography, and SaaS security controls. Partner with sales and internal technical teams, engage senior government stakeholders, build customized demos, lead workshops, support RFIs, monitor policy changes, and translate requirements into customer guidance and product feedback.

Manage vulnerability scanning, patching, threat detection, incident response, identity and access management, data loss prevention, vendor security due diligence, and complex tier 3 security support. The role also leads security investigations, remediation, root cause analysis, policy development, control testing, and implementation of security solutions while maintaining documentation and communicating risks to leadership.

Build and scale internal security systems, analyze security data from logs and endpoints, design detection technologies, assess infrastructure risks, recommend remediation, and execute projects improving intrusion detection, scanning, testing, and response capabilities.

Develops and implements cybersecurity controls for mission-critical unmanned systems supporting Navy and Marine Corps operations. Responsibilities include vulnerability and risk assessments, scan-result remediation, threat detection, event correlation, infrastructure security, and communicating security issues to technical teams and senior management. The role requires Secret clearance, Security+ certification, vulnerability-scanning experience, and knowledge of NIST and DoN Risk Management Framework policies.

Develops and implements cybersecurity controls for mission-critical unmanned systems supporting Navy and Marine Corps operations. Responsibilities include vulnerability scanning and remediation, risk assessments, threat detection, event correlation, security analysis, and infrastructure protection. The role requires applying NIST and RMF policies, communicating security risks to technical and senior audiences, and securing network, system, application, and communications architectures in contested environments.

Designs and reviews security architectures for applications, networks, databases, operating systems, SAP, cloud environments, and service providers. Partners with business and IT stakeholders throughout project lifecycles to identify risks, define controls, document solutions, and ensure requirements are delivered on time and within budget. Maintains security procedures, recommends improvements, and supports information governance, policy development, hardening, and compliance with frameworks including NIST and NERC CIP. Global travel may be required.

The fellowship provides military spouses and separating service members with cybersecurity training and hands-on experience through projects and vendor training, aimed at enhancing their security skills.

Designs and implements security controls across cloud platforms, operating systems, Kubernetes, networks, and CI/CD. Audits infrastructure for weaknesses, develops security and privacy improvements, performs threat modeling, and drives remediation. The role includes software development, infrastructure security, incident containment, and technical security analysis while collaborating with engineering teams in a distributed startup environment.

Two-year rotational program for graduating students to design, build, and enhance secure applications, systems, controls, automations, and infrastructure. Participants gain experience in secure software development, DevSecOps, identity and access management, vulnerability remediation, and cybersecurity while collaborating across engineering and security teams. The program emphasizes leadership development, Agile delivery, project ownership, mentorship, and cross-functional communication.