Overview
Security Analyst Jobs in Arlington, TX at Calance
Title: Security Analyst
Company: Calance
Location: Arlington, TX
Essential Duties:
· Security Operations & Monitoring
o Monitor security alerts, logs, and telemetry for indicators of compromise, malicious behavior, anomalous activity, or policy violations.
o Lead investigation and response to security incidents involving endpoints, servers, network infrastructure, identity platforms, and cloud services.
o Perform incident triage, containment, remediation coordination, and post-incident analysis.
o Manage, tune, and improve security monitoring tools, including SIEM, IDS/IPS, EDR/XDR, NetFlow analyzers, and log aggregation platforms.
o Analyze phishing attempts and suspicious email activity, including header analysis and email flow troubleshooting.
o Maintain and review web and content filtering platforms, assessing risk related to URLs, domains, and external services.
· Network & Infrastructure Security
o Partner with Networking and IT Operations teams to troubleshoot and resolve security-related connectivity, routing, or authentication issues.
o Maintain and improve secure configurations for firewalls, VPNs, load balancers, and cloud connectivity.
Support DDoS detection, mitigation coordination, and response activities.
o Maintain DNS security hygiene, including name resolution integrity and protection against DNS-based attacks.
o Support secure traffic distribution using load balancing or DNS traffic management technologies (e.g., F5 or similar platforms).
· Identity & Access Security
o Support Active Directory, Azure AD, ADFS, and related identity platforms from a security perspective.
o Investigate authentication anomalies, account misuse, and privileged access issues.
o Help enforce identity security best practices, including least privilege, access reviews, and monitoring.
· Vulnerability & Patch Management
o Analyze security advisories, CVEs, and vendor bulletins affecting infrastructure, operating systems, and enterprise applications.
o Validate and track patch deployment across servers, endpoints, network devices, and security appliances.
o Coordinate with infrastructure, endpoint, and SCCM teams to align patching with risk and business priorities.
· Incident Response & Forensics
o Perform security investigations using log analysis, endpoint data, and network evidence.
o Conduct packet captures, log correlation, and threat hunting activities.
o Identify root causes of security incidents and recommend long-term mitigation strategies.
o Document findings, lessons learned, and corrective actions.
· Project & Operational Support
o Contribute to security-related projects, including tool deployments, upgrades, and architectural improvements.
o Provide security guidance on infrastructure changes, firewall rules, segmentation, and system designs.
o Partner with cross-functional teams to ensure secure deployment of new applications and services.
o Assist with the development and improvement of security standards, procedures, and documentation.
Qualifications:
Education and/or Experience
· Minimum five years’ experience in an IT related field
· Advanced knowledge of IT Security Operations and Forensic Operations
· Advanced knowledge of IT Networking and Network Security Operations
· Advanced knowledge of IT Infrastructure and Applications
· Advanced knowledge of Cyber Attackers and Threat Actor tactics
· Advanced experience of project management and delegation
· Advanced business communication and collaboration skills
· Advanced Documentation skills
· Ability to work with teammates on projects
· Ability to work alone and accomplish tasks independently
· Ability to interpret research into solutions to actual problems
· Customer Service skills
· Advanced Documentation skills
· Experienced mentoring and training skills
· Ability to apply common sense understanding to carry out instructions furnished in written oral form or via DRH applications
· Proficiency with MS Office and email
· Ability to sit for majority of 8-hour workday; use hands and fingers to handle or feel; reach with hands and arms; talk and hear. Specific vision abilities required by this job include close vision and peripheral vision
· The noise level is generally moderate
Preferred Qualifications
· Bachelor’s Degree in Cyber Security discipline preferred
· Provide attention to detail and manage multiple responsibilities
