Full-Time

Information System Security Engineer – Mid / Senior Level

Clearance and Polygraph Required

Posted on 10/31/2025

Constellation Technologies

Constellation Technologies

11-50 employees

Cybersecurity, data analytics, and engineering services

Compensation Overview

$200k - $250k/yr

Annapolis Junction, MD, USA

In Person

US Top Secret Clearance Required

Category
IT & Security (1)
Required Skills
Wireshark
Requirements
  • Must be a US Citizen.
  • Must have TS/SCI clearance w/ active polygraph (Polygraph must be within the last five (05) years).
  • At least fourteen (14) years of direct/relevant experience
  • Bachelor’s degree in Computer Science, Information Assurance, Information Security, System Engineering or related discipline from an accredited college or university is required.
  • Four (04) years of additional relevant experience on projects with similar processes may be substituted for a bachelor’s degree.
  • Certified Information System Security Professional Certification (CISSP) or Security X (previously known as the CASP+) Certification required
  • Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools.
  • Must have experience applying Risk Management Framework.
  • Must have experience formulating and assessing IT security policy.
  • Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.
  • Must have experience with secure configurations of commonly used desktop and server operating systems.
  • Must be comfortable working on multiple systems and components simultaneously in various configurations.
  • Must have strong verbal and written communications skills.
  • Must be committed to adopting and adhering to best practices.
  • Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs.
  • Must be capable of performing high quality work both independently and with a team in a fast-moving environment.
Desired Qualifications
  • Five (05) years of experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
  • Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
  • Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation.
  • Experience with penetration testing tools.
  • Experience with scripting languages.
Constellation Technologies

Constellation Technologies

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Constellation Technologies delivers cybersecurity, data analytics, and engineering services for government agencies, private enterprises, and other organizations needing advanced cyber intelligence and technology integration. It works by pairing subject matter experts and engineers with clients to assess needs, design tailored plans, and execute across cyber operations, cloud infrastructure, and data analytics, using project-based contracts, long-term services, and consulting engagements. The company differentiates itself through a collaborative, client-focused approach that emphasizes customized solutions and practical results rather than one-size-fits-all offerings, supported by strong communication and integrity. Its goal is to help clients strengthen cybersecurity, gain actionable data insights, and achieve technology-enabled outcomes through tightly integrated teams.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Severn, Maryland

Founded

2008

Simplify Jobs

Simplify's Take

What believers are saying

  • High revenue efficiency at $500K per employee indicates strong contract profitability and scalability.
  • Expanding workforce from 51-100 employees signals growing demand for cyber and engineering services.
  • Specialized SME team positions CTI for premium pricing in niche cyber intelligence markets.

What critics are saying

  • Raytheon-AST partnership ending eliminates key revenue channel within 6-12 months.
  • DoD prioritizes larger primes like Booz Allen Hamilton over small businesses in recompetes.
  • Government budget cuts to non-AI cyber services threaten 30-50% of IC contract revenue.

What makes Constellation Technologies unique

  • 17+ years supporting Intelligence Community and DoD with specialized cyber operations expertise.
  • Nimble small business structure enables rapid innovation versus larger defense contractors.
  • DoD SkillBridge partner providing talent pipeline from transitioning military service members.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Professional Development Budget

Paid Vacation

INACTIVE