
Senior Network Security Analyst
PMCS Services, Inc. · Austin, TXClose:
Term:Full timeWork:Onsite
Type:EmployeeContract
We are seeking a full-time contractor or employee for a Senior Network Security Analyst role for the client of Office of the Attorney General of Texas.
Key Responsibilities
Key Responsibilities
- Proactively conduct threat hunting activities to identify malicious activity, advanced persistent threats, and indicators of compromise not detected by automated tools
- Develop and execute hypothesis-driven hunts based on threat intelligence, adversary tactics, techniques, and procedures (TTPs), and organizational risk profiles
- Analyze endpoint, network, identity, and cloud telemetry to detect anomalous or suspicious behavior
- Investigate and validate potential security incidents, determine root cause, and assess scope and impact
- Collaborate with incident response, SOC, and detection engineering teams to support containment, eradication, and recovery activities
- Translate threat hunting findings into actionable detection logic, alerts, and analytics to improve security monitoring
- Document hunting methodologies, findings, and recommendations in formal reports and knowledge repositories
- Contribute to the development and tuning of security use cases, queries, and detection rules across SIEM, EDR, NDR, and cloud security platforms
- Leverage threat intelligence sources to track emerging threats, attacker tools, and campaigns relevant to the organization
- Support purple team activities, tabletop exercises, and continuous adversary simulation efforts
- Maintain awareness of evolving attacker techniques and emerging cybersecurity threats
Required Skills:
- Strong understanding of attacker tactics, techniques, and procedures.
- Experience analyzing logs and telemetry from SIEM, EDR/XDR, network security, identity platforms, and cloud environments.
- Proficiency in query languages and scripting used for threat hunting.
- Solid knowledge of Windows, Linux, and cloud operating systems, including common attack vectors and persistence mechanisms.
- Proven expertise in security considerations of cloud computing: They include data breaches, broken authentication, hacking, account hijacking, malicious insiders, third parties, APTs, data loss and DoS attacks.
- Knowledge and understanding of threat analysis and assessment of potential and current information security risk/threats and designing solutions to mitigate those threats.
- Knowledge and experience working with relevant National Institute of Standards and Technology (NIST) standards.
- Familiarity with threat intelligence sources, malware analysis concepts, and digital forensics fundamentals.
- Experience documenting investigations, creating hunt reports, and communicating technical findings to diverse audiences.
- Strong analytical, problem-solving, and critical-thinking skills.
- Ability to work independently while collaborating effectively within cross-functional cybersecurity teams.
- Ability to resolve complex security issues in diverse and decentralized environments; to learn, communicate, and teach new information and security technologies; and to communicate effectively.
- Conduct forensic investigations on cyberattacks to determine how they occurred and how they can be prevented in the future.
- Experience creating/reviewing/updating security policies and standards for the public/private/hybrid cloud contexts.
Preferred Skills:
- GSEC, CEH, CISA, CCSP
- Certification as an AWS Solutions Architect, Cloud Security Certification, and/or OpenStack Administrator Certification a plus. (Other cloud-related certification also a plus.)
- Experience with Endpoint Detection and Response (i.e. EndGame, Crowdstrike, CyberReason). Detect and respond to alerts from end point detection response tools.
- Experience with Email Threat Management (i.e. Proofpoint, MimeCast, Microsoft).
- Experience with SIEM engineering design/management/analysts (i.e. Splunk, Rapid7, SumoLogic).
- Experience with Data Loss Protection/Cloud Access Security Brokers (i.e. Symantec, Microsoft, Bitglass, Netskope).
- Experience with Cloud Enterprise Network Security (i.e. Cisco Umbrella, Palo Alto, ZScaler).






