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Cyber Security Engineer Iii Jobs (NOW HIRING)

PMAT is seeking a CyberSecurity Engineer III to support the design, deployment, security, administration, and sustainment of Secret and Top Secret mission-critical environments supporting government ...

PMAT is seeking a CyberSecurity Engineer III to support the design, deployment, security, administration, and sustainment of Secret and Top Secret mission-critical environments supporting government ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

The Cyber Security Engineer III plays a critical role in safeguarding the university's information infrastructure by administering, monitoring, and optimizing security systems across on-premises and ...

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 ... Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 8570.01-M IAT Level III ...

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Cyber Security Engineer Iii information

See salary details

$40.5K

$122.9K

$180K

How much do cyber security engineer iii jobs pay per year?

As of Aug 12, 2026, the average yearly pay for cyber security engineer iii in the United States is $122,890.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,000.00 and $142,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Cyber Security Engineer III professionals in coordinating with cross-functional teams?

Cyber Security Engineer III professionals often work closely with IT, development, and business teams to implement security measures. A common challenge is ensuring clear communication of technical risks and best practices to non-security stakeholders, which requires translating complex security concepts into actionable advice. Additionally, balancing security priorities with business objectives and project timelines can sometimes lead to difficult compromises. Strong collaboration and negotiation skills are essential for effectively advocating for security while supporting organizational goals.

What does a Cyber Security Engineer III do?

A Cyber Security Engineer III is a senior-level professional responsible for designing, implementing, and maintaining advanced security systems to protect an organization's digital assets. They analyze security risks, develop policies, and respond to security incidents. In addition, they may mentor junior staff, conduct vulnerability assessments, and recommend improvements to enhance overall cyber defense. Their role often includes collaborating with IT teams to ensure compliance with security standards and best practices.

What is the difference between Cyber Security Engineer Iii vs Cyber Security Engineer Ii?

AspectCyber Security Engineer IiiCyber Security Engineer Ii
Required CertificationsCompTIA Security+, CISSP (preferred)CompTIA Security+, CEH (preferred)
Work EnvironmentTeam-based, security operations centers, enterprise networksSupport roles, assisting senior engineers, network security
Employer & Industry UsageTech companies, finance, government agenciesSimilar industries, often entry to mid-level roles
Common Search & ComparisonYesYes

The main difference between Cyber Security Engineer Iii and Cyber Security Engineer Ii lies in experience level, certifications, and responsibilities. The Iii typically has more advanced skills, handles complex security tasks, and may lead projects, whereas the Ii supports security operations and assists senior staff. Both roles are vital in maintaining organizational security but differ in scope and expertise.

What are the key skills and qualifications needed to thrive as a Cyber Security Engineer III, and why are they important?

To thrive as a Cyber Security Engineer III, you need advanced knowledge of network security, threat analysis, and risk management, typically supported by a bachelor’s degree in computer science or a related field and several years of experience. Familiarity with security tools such as SIEM systems, firewalls, vulnerability scanners, and certifications like CISSP or CEH are commonly required. Strong analytical thinking, problem-solving, and effective communication help you respond to incidents and collaborate with cross-functional teams. These skills are critical to proactively safeguarding organizational assets against evolving cyber threats and ensuring compliance with security standards.
More about Cyber Security Engineer Iii jobs
What states have the most Cyber Security Engineer Iii jobs? States with the most job openings for Cyber Security Engineer Iii jobs include:
Infographic showing various Cyber Security Engineer Iii job openings in the United States as of August 2026, with employment types broken down into 84% Full Time, 13% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $122,890 per year, or $59.1 per hour.

Cyber Security Engineer III

VICKERS & NOLAN ENTERPRISES LLC

Charleston, SC • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago


Job description

Vickers and Nolan Enterprises (VNE) is an engineering company that provides Government projects and programs with experienced and dedicated system architects, engineers, subject matter experts (in tactical intelligence), and program managers. VNE also develops training courses and tools to prepare warfighters to effectively employ tactical intelligence systems and provide management guidance to the Government organizations that develop these systems.

VNE has earned a reputation for exceptional performance, innovation, agility, and responsiveness in the Intelligence Community (IC). We attack our mission with a comprehensive understanding of the data available and required; skilled research, design, development, integration, and testing of systems and software solutions; expertise in cybersecurity/information assurance and technology; programmatic, acquisition, and logistics support know-how; and our own unique training curricula that enables students to excel at intelligence operations across all levels of the community.

VNE is devoted to improving tactical operations at home and abroad by enabling the seamless transition of data across the intelligence community and developing/integrating solutions to unify operations and intelligence.

VNE is a Service Disabled Veteran Owned Small Business (SDVOSB) founded in 2004 in Stafford, VA.

VNE, LLC is looking for a TS/SCI Cleared Cyber Security Engineer III

Minimum Qualifications:

Education: 

  • Bachelor’s degree in Cybersecurity, Computer, Electrical, or Electronics Engineering, or Mathematics with a concentration in computer science or equivalent
  • Individual shall be certified as Information Assurance Technical (IAT) Level I (position-based) per DoD 8570.1M

Experience:

  • Fourteen (14) years of professional experience with cybersecurity engineering.    Information Assurance Management (IAM) or Information Assurance Technical (IAT) or Information Assurance System Architect and Engineer (IASAE) Level I (position-based) per DoD 8570.1M.
  • Experience with preparing, implementing, and ensuring compliance with cybersecurity policy, to include Assessment and Authorization requirements. They may also perform the following duties:
  • Planning, implementing, upgrading, and/or monitoring cybersecurity measures to improve cyber defense and maintain a cyber resilient network
  • Assessing cybersecurity vulnerabilities for risks and propose and implement remediation actions or risk mitigation strategies
  • Ensuring appropriate security controls are in place that will safeguard digital files and electronic infrastructure
  • Responding to computer security breaches to re-establish protections and make required reports
  • TS/SCI level Clearance required.

Job Description:

The scope of work covers systems engineering, technical, and management support services for the government and its associated acquisition, technology, logistics, and program management offices. Support is provided to multiple stakeholders responsible for the development, integration, and sustainment of specialized operational capabilities. The scope of support includes program management, engineering analysis and design, configuration management, testing, quality control, sustainment, cybersecurity, training, and field service representative (FSR) support for a static collection capability that functions as a subsystem within a larger integrated system.

This is in support of the development, production, and sustainment of specialized intelligence capabilities.  Configuration management and associated systems engineering activities are conducted through a collaborative effort among multiple government and partner organizations to ensure interoperability, performance, and lifecycle support.

Essential Duties of the Job:

  • Ability to communicate task requirement information to client in a clear and concise manner.
  • Must be able to sit and stand for prolonged periods of time, as well as lead and participate in meetings and working groups.
  • Requires visual acuity to use a keyboard.
  • Must be able to attend work each day, during scheduled hours, unless on travel or approved time off.
  • Ability to work on computer for long periods, and communicate with individuals by telephone, email and face-to-face

Physical Demands and Work Environment:

  • While performing duties of job, employee is occasionally required to stand; walk; sit; use hand to finger, handle or feel objects, tools, or controls; reach with hands and arms; talk and hear.
  • Employee must occasionally lift and/or move up to 50 pounds.
  • Specific vision abilities required by the job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.
  • May be exposed to chemicals related to office equipment.
  • The noise level in the work environment is usually moderate (i.e. general office environment).

Benefits:

  • 401 (K) w/ up to 3.5% Company Match
  • Health, Dental & Vision Insurance
  • Basic & Supplemental Life Insurance
  • Short & Long Term Disability Insurance
  • Flexible Spending Account
  • 11 Paid Holidays
  • Paid Time Off (PTO)
  • Gym Membership (varies by location)
  • Corporate-Sponsored Events