Referso Jobs

Take ownership of assigned Security Operations capabilities
Oversee security monitoring and investigations performed by managed security service providers
Coordinate incident response across service providers and internal teams
Drive improvements to detection rules, correlation logic, automation workflows and incident-response playbooks
Assess vulnerabilities and security-control weaknesses

Requirements

Bachelor’s or master’s degree in IT, cybersecurity or a related field, or equivalent professional experience
Nice to have: Microsoft Sentinel
Nice to have: Defender XDR
Nice to have: KQL
Nice to have: Palo Alto

System Administrator

CEDGE, INC. · Posted Nov 6, 2026

Open

Scott AFB, Illinois, United States
On-site
Full-time · Mid
1–4 years

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Support the client’s system ensuring secure, efficient, and scalable operations across NIPR and SIPR environments, maintaining high availability, compliance, and operational resilience.

Responsibilities

Manage operating system patching, infrastructure upgrades, and Security Technical Implementation Guide (STIG) checklists.
Maintain and update system architecture documentation, including hardware lists, topology diagrams, and database design documents.
Implement and maintain robust security baselines (NIST, CNSS, DISA STIG, USTRANSCOM) across all environments.
Ensure compliance and requirements for data protection and privacy.
Configure and maintain security logging, structured auditing, distributed tracing, and runtime telemetry.

Requirements

Bachelor's degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, Mathematics, or related STEM degree program

Skills

system administration operating system patching infrastructure upgrades Security Technical Implementation Guide (STIG)

Senior Systems Engineer (I.S.)

Sumitomo Electric Wiring Systems, Inc. · Posted Nov 4, 2026

Open

Farmington Hills, Michigan, United States
Hybrid
Senior
7–10 years

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Senior Systems Engineer responsible for administration, configuration, and support of company security systems, including firewalls, IDS/IPS, and cloud security, while leading CSIRT activities and policy development.

Responsibilities

Manage security for firewalls, IDS/IPS, remote access, internet connectivity, network segmentation, and wireless security.
Lead CSIRT activities, coordinate security incident response, support security audits, and maintain required evidence and documentation.
Develop, maintain, and enforce security policies, procedures, standards, system configuration requirements, and documentation practices.
Manage the security integration of Office 365 and Azure with company systems.
Manage external security service providers, contracts, and outsourced security resources; monitor service delivery and improvement actions.

Requirements

Bachelor's Degree
Nice to have: CISSP
Nice to have: CISM
Nice to have: CompTIA Security+
Nice to have: Microsoft Azure

Skills

Active Directory Group Policy Windows Server authentication

Application Security, Specialist

Vanguard · Posted Nov 4, 2026

Open

Dallas, Texas, United States +1 more
Hybrid
Contract
5+ years

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Lead application security for AI and product families, design secure architecture, conduct threat modeling, code reviews, and integrate security controls across AI gateways and applications.

Locations (2)

Dallas, Texas, United States
Ft. Worth, Texas, United States

Responsibilities

Own design and evolution of application security capabilities
Serve as technical authority for secure architecture
Lead complex security assessments and threat modeling
Evaluate and prioritize security risks
Integrate new security features and patches

Requirements

Undergraduate degree or equivalent training and experience

Skills

application security threat modeling

Security logging jobs

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