Cyber Network Defense Analyst

Cyber Network Defense Analyst Position Title: Cyber Network Defense Analyst Location: Washington DC Shift - M-F Full Time Afternoon 3pm to 11pm Clearance: TS/SCI We are an employee-centric company that truly appreciates our team members and their value to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and fostering teams that are and continue to be technically proficient and technically capable across a comprehensive range of cyber mission areas. OneZero full-time employees receive an extremely competitive benefits package that includes health/dental/vision/life insurance plans, 401K with company matching, PTO & paid holidays, employee referral program, and educational assistance. Additional details can be found on our website at: https://www.onezerollc.com/careers/ Responsibilities Utilize client SIEM for enterprise monitoring and detection Create Security Event Notifications to document investigation findings Perform critical thinking and analysis to investigate cyber security alerts Analyze network traffic using enterprise tools (e.g., Full PCAP, Firewall, Proxy logs, IDS logs, etc) Collaborate with team members to analyze an alert or a threat Monitor shared email box for notifications and requests Utilize OSINT to aid in their investigation Contribute to content‑tuning requests Have familiarity with dynamic malware analysis and experience analyzing malicious websites Review and provide feedback to junior analysts’ investigation Review and implement network/host countermeasures Attend briefings and take appropriate actions to defend the enterprise Assist in the training of junior analyst Qualifications Active TS/SCI clearance 5+ years of relevant experience in Cyber Security and/or Cyber Defense Must possess excellent verbal and written communication skills Understanding of security tools such as IDS, IPS, Proxy, Firewall, Antivirus, DLP Working knowledge of Windows OS and standard system logs Have experience performing analysis of network traffic, host logs, and correlating diverse security logs Working knowledge of DOD CND methodologies and SOC processes Working knowledge of common network ports and protocols (e.g., TCP/UDP, HTTP, ICMP, DNS, SMTP, etc.) Knowledge of common end‑user and web application attacks and countermeasures Experience in creating SOP and providing guidance to junior analyst Experience in a scripting language (e.g., python, PowerShell, JavaScript, VBS, etc) Familiarity with cloud technologies, architecture, monitoring tools, and TTP Hands‑on experience utilizing network security tools (e.g., IDS/IPS, Full PCAP, WAF, etc.) and SIEM (Elastic preferred) Understanding of various Threat Intel Frameworks (e.g., CKC, MITRE ATT&CK, Diamond model, etc) Required Certifications Must possess a DOD 8570 IAT III qualifying certification Must possess one or more of the following DOD 8570 CSSP‑A qualifying certifications: CEH CFR CCNA Cyber Ops CCNA‑Security CySA+ GCIA GCIH GICSP Cloud+ SCYBER PenTest+ OneZero Solutions, LLC is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or protected veteran status and will not be discriminated against on the basis of disability. If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable to or limited in your ability to use or access www.onezerollc.com/careers as a result of your disability. To request an accommodation, please contact us at recruiting@onezerollc.com or call (202) 987-2580. #J-18808-Ljbffr