Senior Security Analyst
The full posting
Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide. Guardian over millions of consumer, enterprise, and government environments, Bitdefender is one of the industry’s most trusted experts for eliminating threats, protecting privacy, digital identity and data, and enabling cyber resilience. With deep investments in research and development, Bitdefender Labs discovers hundreds of new threats each minute and validates billions of threat queries daily. The company has pioneered breakthrough innovations in antimalware, IoT security, behavioral analytics, and artificial intelligence and its technology is licensed by more than 180 of the world’s most recognized technology brands. Founded in 2001, Bitdefender has customers in 170+ countries with offices around the world. For more information, visit https://www.bitdefender.com
Senior Security Analyst - Managed Detection and Response
Our mission at Bitdefender is to reduce risk to customers’ business to allow them to achieve their objectives. We are focused on delivering real security value for an affordable price – no snake oil. To help in this mission, we are looking for a Senior Security Analyst . You will work in a tight knit, experienced team backed up by an international organization that’s been in business for 18 years.
About Us
The Managed Detection & Response service is a new line of business (think division, business unit, etc). We are an experienced team having built successful Managed Security offerings in the past and staffed by a multitude of cybersecurity organizations and veteran cyber-warfare operators from the military and intelligence services . We all got into this business to provide security services that make customers safer. We must make some money to do that, but our primary goal is to provide services that secure, not just ones that sell.
Our team has been around the block together and operate in a 24x7 environment where we manage emergency situations for customers. For this to work, we must trust each other. As a leadership team, we focus on building that trust through accountability, processes and personal relationships. We have plenty of experienced team members with and without families and understand that not all teams can be built outside of work, but we focus on teamwork to build authentic and meaningful engagement.
About the Role
- This is a full-time position in a 24/7 operation with a four 10-hour shifting schedule. Scheduled rotations for weekend shifts will be required
- Serve as an escalation point for security events from multiple sources
- Using the Cyber Kill Chain, indicators of activity and indicators of compromise with current intelligence information to proactively review customers environments searching for anomalous behavior across network, host and logs data
- Lead an Incident Response Team to investigate and remediate active threats while accurately documenting results using standard incident response techniques
- Develop analytic signatures to identify suspicious and malicious behaviors
About you
Be able to demonstrate working knowledge and understanding of the following:
- Cybersecurity principles
- Cyber threats and vulnerabilities
- Current incident response methodologies
- Current cyber investigative techniques
- Current cyber threat trends
- Computer networking concepts and protocols, and network security methodologies
- Knowledge of basic physical computer components and architectures, including the functions of various components and peripherals (e.g., CPUs, NICs, HDDs)
- Perform analysis of log files from a variety of sources (e.g., individual host logs, network traffic logs, firewall logs, and intrusion detection system [IDS] logs) to identify possible threats to network security
- Basic system administration, network, and operating system hardening techniques
- Identifying , modifying , and manipulating applicable system components within Windows, Unix, or Linux (e.g., passwords, user accounts, files)
- Conduct research, analysis, and correlation across a wide variety of all source data sets (indications and warnings)
- Defense-in-depth principles and practices (e.g., defense-in-multiple places, layered defenses, security robustness)
- Virtualization and cloud computing
- Knowledge of which system files (e.g., log files, registry files, configuration files) contain relevant information and where to find those system files
- Hacking methodologies
- Networking protocols (e.g., TCP/IP), services (e.g., web, mail, DNS), and how they interact to provide network communications
- Knowledge of encryption algorithms (e.g., Internet Protocol Security [IPSEC], Advanced Encryption Standard [AES], Generic Routing Encapsulation [GRE], Internet Key Exchange [IKE], Message Digest Algorithm [MD5], Secure Hash Algorithm [SHA]) and how they are used
- How to perform packet-level analysis using appropriate tools (e.g., Wireshark, tcpdump )
- Security Information and Event Management (SIEM) tools - Searching, aggregating, and correlating data
- Web Application Firewall (WAF)
- Regular Expressions (Regex)
#LI-RR1
Text as Bitdefender published it; last compared with the original on 11 Nov 2026.
The application
Your details and CV, then 4 questions.
- 1.Do you hold any certifications related to Incident Response, such as GCIH, GCIR, CHFI, or ECIH? If yes, please list the relevant certifications you currently hold.Short answer
- 2.Are you eligible to work in the United States now, in the future, and without restriction/sponsorship after any applicable OPT training period? (Kindly note we are not able to sponsor/transfer a VISA or sign I-983 documents)?Yes or no
- 3.Please share your "all in" compensation/salary expectations that includes base salary and bonus compensation.Short answer
- 4.Do you have at least 1-year of work experience as a senior security analyst where you assist more junior analysts and provide recommendations to impacted customers during a declared incident?Yes or no
Taken from Bitdefender's application form as it stood on 11 Nov 2026.
The employer: Bitdefender
Romanian maker of consumer antivirus and GravityZone business security; its staff run MDR, incident response, penetration testing and endpoint engineering.
Pay and benefits: Permanent staff roles at a founder-led private company.
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