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Cyber Systems Analyst, Mid

Castalia Systems
Quantico , VA, United Statesfull_timeVerifiedPosted 4 May 2026

About the role

Job Type: Full-Time

Clearance: TS/SCI and the ability to obtain/maintain a CI Poly as required

Must be a U.S. Citizen

Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too.

Job Summary

Castalia Systems is seeking a Cyber Systems Analyst, Mid, to support our Intelligence Client’s mission sets.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

  • Assess the cybersecurity posture of a USMC defense program, ensuring the program is evolving with the best cybersecurity practices, prioritizing cyber threats based on factual cyber analysis.
  • Analyze foreign capabilities to detect, disrupt, and deny USMC emissions and signals throughout the cyber kill chain, to include, but not limited to emissions from targeting, communications, and intelligence, surveillance, and reconnaissance (ISR) assets, reversible and non-reversible attacks.
  • Identify, monitor, and assess advancements in emerging and commercial technologies that could be employed by state and non-state actors to detect, disrupt, and deny USMC acquisition programs’ network infrastructure.
  • Identify significant risk characteristics of the environment such as classification of network, baseline activity, architecture, operating system, services, connectivity and bandwidth.
  • Identify the limits of the network to be collected against.
  • Establish limits of the supporting or connected networks that may need to be collected against.
  • Evaluate existing databases and identify intelligence gaps.
  • Use open source to gather Publicly Available Information (PAI).
  • Explore the physical battlespace; how could the environment affect tactical operations.
  • Define the battlespace effects.
  • Analyze the battlespace environment for information, services and networks, such as confidentiality, integrity, availability; and protect, detect, respond, restore and conduct reviews.
  • Analyze other characteristics of the battlespace such as security, auditing procedures, and backup systems. Evaluate the adversary on physical location of all assets, architecture and automation skills, security and policies, baseline activity, peculiarities and vulnerabilities, capabilities, and conclusions that address: Rules of Engagement (ROE) for Information Assurance (IA), Computer Network Defense (CND) and Computer Network Attack (CNA)
  • Determine adversary’s Courses of Action (COA).
  • Identify the adversary’s likely objectives and desired end state.
  • Identify the full set of COA’s available to the adversary, at a minimum the most likely and most dangerous should be developed.
  • Develop COA’s based on enemy perception of friendly information architecture (reverse cyber IPB).
  • Evaluate and prioritize each adversary COA.
  • Continue to refine COA’s as time and new information allow.
  • Evaluate foreign Computer Network Defense (CND) and Computer Network Attack (CNA) capabilities, limitations, and vulnerabilities.
  • Assess potential vulnerabilities of USMC tactical systems to CNA to include systems related to targeting, ISR, and navigation assets.

Knowledge and Skills

  • Minimum 8 years of experience conducting analysis relevant to the specific labor category with at least a portion of the experience within the last 2 years.
  • Demonstrates comprehensive mission knowledge and skills that affirms completion of all developmental training and experiences for the labor category.
  • Demonstrates ability to communicate understanding from information that may be incomplete, indirect, highly complex, seemingly unrelated, and / or technically advanced. Demonstrates ability to structure analysis based on trends in reporting and a range of analytic perspectives from other analysts, organizations, and intelligence disciplines.
  • Demonstrates ability to work independently with minimal oversight and direction.
  • Demonstrates ability to collaborate and work with other IC members on information sharing, driving collection, and addressing analytic disputes and conflict resolution.
  • Demonstrates ability to develop concise, insightful, and comprehensive products for defense intelligence.
  • Demonstrates ability to lead teams in researching multifaceted or critical problems.
  • Provides guidance in selecting, designing, and applying analytic methodologies. Uses argument evaluation and validated analytic methodologies to challenge differing perspectives.

Education

  • Bachelor’s degree in an are

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Company

Castalia Systems

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