Junior Cybersecurity Analyst (Network Detection / Network Hunt)

Arlington, Virginia, United States

Full Time Mid-level / Intermediate
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At phia, our goal is to hire talented and passionate team members who desire to grow their skillsets, as well as the reputation of the company with our partners, clients, and stakeholders. We are seeking a Junior Cybersecurity Analyst to support a large Federal security operations, analysis, and threat-hunting organization. This team performs both near-realtime intrusion detection and network defense, as well as retrospective analysis in large data sets using “big data” platforms and custom analytics. This position will be based at our customer site in Arlington, VA. This is a hybrid position that will require individuals to be on-site at our customer location two to three days a week on a rotating schedule.

What You'll Do

  • Perform technical analysis of network activity across a large enterprise
  • Leverage an array of network monitoring and detection capabilities (including netflow, custom application protocol logging, signature-based IDS, and full packet capture (PCAP) data) to identify cyber adversary activity
  • Assess cyber threat intelligence reporting/indicators/observables/trends and collaborate in the development of IDS signatures, detection analytics and active countermeasures
  • Recommend new network-based detection and mitigation/countermeasure strategies, and advise on the development of new tools/capabilities
  • Triage detection and countermeasure alerting; assess the effectiveness of those mechanisms and tune to enhance/improve accuracy and precision.
  • Develop and apply methods to analyze and visualize network flow data for anomalies and to correlate various types of threat reporting and adversary TTPs with enterprise-wide network activity
  • Document key event details and analytic findings in threat intelligence platforms and incident management systems
  • Author and publish technical advisories/bulletins/reporting, both on individual events and larger trends
  • Produce detailed, comprehensive, and technically sound analysis reports and review analysis reports from other analysts
  • Monitor and report on trends and activity on network sensor platforms
  • Provide technical assessments of cyber threats & vulnerabilities and use network data to assess the defensive posture/exposure of the organization
  • Collect analysis metrics and trending data, identify key trends, and provide situational awareness on these trends
  • Communicate and collaborate with analysts from other cyber analysis teams/organizations (internal and external)
  • Provide routine status updates for ongoing projects, trouble tickets, incidents, and other related tasks
  • Maintain awareness of major events and trends in the cyber security landscape
  • Research and evaluate emerging detection/analysis capabilities
  • Innovate new methods to use existing tools and data sources, and identify and obtain new data sources, to detect cyber adversary activity


Education + Experience

  • Bachelor’s Degree in Cybersecurity, Information Technology, or a related discipline is desired
  • In-depth knowledge of network and application protocols, cyber vulnerabilities and exploitation techniques and cyber threat/adversary methodologies (TTPs)
  • In-depth knowledge of network intrusion detection and analysis principles and methods and related tools/technology
  • Direct experience with network traffic monitoring/capture/analysis capabilities, and various IDS, IPS, SIM/SIEM/SOAR technologies, to include IDS signature development and common signature syntax.
  • Working knowledge of security operations center (SOC) environments and processes
  • Proficiency with datasets that support analysis (e.g., passive DNS, WHOIS/registration data, system/service enumeration data, threat intelligence indicators/observables, malware analysis results, etc) and various open-source and commercial vendor portals/services/platforms that provide that data
  • Experience performing or leading SOC or security analysis operations/functions
  • Relevant experience in cyber defense, focused specifically on network traffic/intrusion analysis
  • Proficiency working with various types of network data (e.g., netflow, PCAP, custom application logs), ideally in high volumes
  • Basic software development/scripting capability (primarily focused around analyst automation/optimization, dealing with large analysis datasets, etc.)
  • Familiarity with vulnerability research/discovery and management, red-teaming/pen-testing assessment, and security audit methodologies and capabilities
  • Familiarity with all related aspects of cybersecurity operations/analysis (e.g., incident response & management, forensic media analysis, malware analysis/reverse-engineering, cyber threat intelligence analysis, etc.) and security architecture & engineering


  • Industry certifications such as GCIA, GCIH, GCDA, GCED, GDAT, JCAC are a plus.
Security Clearance
  • This position will require U.S. citizenship and an active Top Secret security clearance. DHS EOD suitability will be required prior to start.

Who You Are

  • A proactive problem solver that appreciates the challenges of working in a fast-paced, dynamic environment.
  • Intellectually curious with a genuine desire to learn and advance your career.
  • An effective communicator, both verbally and in writing.
  • Customer service oriented and mission focused.
  • Critical thinker with excellent problem-solving skills



phia, LLC ("phia") is a Northern Virginia based, 8a certified small business established in 2011 with focus in Cyber Intelligence, Cyber Security/Defense, Intrusion Analysis & Incident Response, Cyber Architecture & Capability Analysis, Cyber Policy & Strategy, Information Assurance/Security, Compliance, Certification & Accreditation, Communications Security, Traditional Security, and Facilities Security. phia also provides cyber operations support functions such as: Program and Process Management, Engineering, Development, and Systems Administration that allows for Cyber Operations to efficiently integrate our customer’s missions and objectives. phia supports various agencies and offices within the Department of Defense (DoD), Federal government, and private/commercial entities.

phia offers excellent benefits for full time candidates to enhance the work-life balance, these include the following:

  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short Term & Long-Term Disability
  • 401k Retirement Savings Plan with Company Match
  • Paid Holidays
  • Paid Time Off (PTO)
  • Tuition and Professional Development Assistance
  • Flex Spending Accounts (FSA)
  • Parking Reimbursement
  • Monthly Payroll
Job region(s): North America
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