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Security Engineer Iii Jobs in Virginia (NOW HIRING)

Security Engineer

Mclean, VA · On-site

$150K - $200K/yr

Active TS/SCI with Polygraph Summary We are seeking a Senior Security Engineer to support ... OR Masters and 3+ years of experience in Cybersecurity in federal or IC environments * Strong ...

As a security engineer on our team, you'll evaluate and support the documentation, validation ... Ability to obtain a DoD 8570 IAT Level III Certification such as SecurityX (formerly CASP+), CCNP ...

Required Qualifications: - 3+ years of security engineering experience, including cloud (AWS) - Experience with vulnerability management and security tooling - Working knowledge of NIST 800-53 ...

Required Qualifications: - 3+ years of security engineering experience, including cloud (AWS) - Experience with vulnerability management and security tooling - Working knowledge of NIST 800-53 ...

Security Engineer

Reston, VA · On-site

$140K - $155K/yr

Required Qualifications: - 3+ years of security engineering experience, including cloud (AWS) - Experience with vulnerability management and security tooling - Working knowledge of NIST 800-53 ...

Security Engineer

Mclean, VA · On-site

$150K - $200K/yr

Active TS/SCI with Polygraph Summary We are seeking a Senior Security Engineer to support ... OR Masters and 3+ years of experience in Cybersecurity in federal or IC environments * Strong ...

Software Engineer III

Reston, VA · On-site +1

$59.75 - $80.25/hr

... security measures. Candidates near our Somerville, MA or Reston, VA offices are preferred but ... As a Software Engineer III specializing in data extraction, you will be responsible for the end-to ...

Network Security Engineer

Chantilly, VA · On-site

$108K - $147K/yr

Perform Tier II and Tier III network security engineering support, while assisting in designing advanced WAN, LAN, and data center solutions. * Monitor and configure networks utilizing SolarWinds ...

Network Security Engineer

Chantilly, VA · On-site

$108K - $147K/yr

Perform Tier II and Tier III network security engineering support, while assisting in designing advanced WAN, LAN, and data center solutions. * Monitor and configure networks utilizing SolarWinds ...

Network Security Engineer

Chantilly, VA · On-site

$107K - $146K/yr

Perform Tier II and Tier III network security engineering support, while assisting in designing advanced WAN, LAN, and data center solutions. * Monitor and configure networks utilizing SolarWinds ...

Systems Security Engineer

King George, VA · On-site

$100K - $125K/yr

Overview SYSTEMS SECURITY ENGINEER (RDTE) Bowhead is seeking a Systems Security Engineer in ... Three or more (3+) years of experience in RMF A&A package development * Strong knowledge of NIST SP ...

Showing results 21-40

Security Engineer Iii information

What is a security engineer III?

A Security Engineer III is a senior-level cybersecurity professional responsible for designing, implementing, and maintaining security systems to protect an organization's networks, data, and infrastructure. They assess vulnerabilities, develop security protocols, and respond to security incidents. This role often involves leading projects, mentoring junior engineers, and collaborating with IT and compliance teams. Strong expertise in risk assessment, threat mitigation, and security tools is essential.

What does a security engineer III do?

As a Security Engineer III, your daily responsibilities often include monitoring and analyzing security alerts, conducting vulnerability assessments, and developing strategies to mitigate risks. You may work closely with IT teams to implement security controls, respond to incidents, and participate in security audits or compliance efforts. Additionally, you will likely mentor junior team members and collaborate with other departments to ensure best practices are integrated across the organization. This role offers a dynamic mix of hands-on technical work, problem-solving, and collaboration, creating opportunities for impactful contributions and professional growth.

What are the key skills and qualifications needed to thrive as a security engineer III?

To thrive as a Security Engineer III, you need advanced knowledge of cybersecurity principles, network architecture, threat modeling, and incident response, usually backed by a degree in computer science or related fields. Familiarity with security information and event management (SIEM) tools, vulnerability scanners, firewalls, and certifications such as CISSP or CEH are commonly required. Strong analytical thinking, effective communication, and the ability to work collaboratively across teams are crucial soft skills. These competencies ensure the protection of organizational assets against evolving threats, effective risk management, and seamless integration of security within business operations.

What are the most commonly searched types of Security Engineer Iii jobs in Virginia?

The most popular types of Security Engineer Iii jobs in Virginia are:

What job categories do people searching Security Engineer Iii jobs in Virginia look for?

The top searched job categories for Security Engineer Iii jobs in Virginia are:

Infographic showing various Security Engineer Iii job openings in Virginia as of August 2026, with employment types broken down into 85% Full Time, 13% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Network Computer System Administrator with Security Clearance

Integral Federal

Fairfax, VA • On-site

$137K - $164K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Job description

Overview The Network Computer System Admin s upports the United States (U.S.) Army C5ISR Center to develop advances within cyber defense research; advanced detection methods; sensor structure, data optimization, and sensor architectures; intrusion detection innovations, evaluation methods, attack behaviors, insider threat and adversarial threat predictions. Responsibilities * Produce computing solutions derived from DoW security policies and regulations to ensure that the product design complies with applicable standards identified in this PWS (e.g., safeguarding personal and private information, data protection laws). * Design and secure interfaces between client devices, servers, and cloud-based applications, including network topology definition, authentication (of users and systems), and providing required security measures for sensitive data (like PII and Protected Health Information, SOX, etc.) * Provide a SME in the security architectural design of mobile computing/cloud environments (e.g., IaaS, PaaS, SaaS); to include secure data processing in a public, private, and hybrid cloud environment, and securing sensitive data on mobile phones and tablets. * Identify security impacts, support design, implement, and maintain the system baseline. Provide security vulnerability assessments and risk mitigation activities. Qualifications Required: * Bachelor's Degree in Computer Science or IT related degree * SME on policy Development, implementation, and reporting of vulnerability scanning, global implementation capabilities. * Tenable® Certified Security Engineer. Three (3) years' experience with Tenable® Security Center and Nessus. One (1) year Nessus Attack Scripting Language experience. * One (1) year operations center/call center, or technical helpdesk experience. * SME on policy Development, implementation, and reporting of vulnerability scanning global implementation capabilities. * Tenable® Certified Security Engineer. Three (3) years' experience with Tenable® Security Center and Nessus. One (1) year Nessus Attack Scripting Language experience. * One (1) year operations center/call center, or technical helpdesk experience. * SME on policy Development, implementation, and reporting of vulnerability scanning global implementation capabilities. * Three (3) years' experience with McAfee HBSS. * One (1) year of McAfee custom queries and host intrusion prevention signature experience. One (1) year operations center/call center or technical helpdesk experience. * The most current DISA ACAS Version in use training certificate * TS/SCI Clearance Salary range: $137,710 - $164,037 This position is in the proposal stage. The above salary range represents a general guideline. Integral Federal considers a number of factors when determining base salary offers, such as the scope and responsibilities of the position and the candidate's experience, education, skills, and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and/or discretionary bonuses in addition to base pay. Company Overview Integral partners with federal defense, intelligence, and civilian leaders to tackle their most important challenges and deliver positive outcomes. Since our founding in 1998, we have helped clients leverage existing and emerging technologies to transform their enterprises, empower growth, drive innovation, and build sustainable success. The forward-leaning solutions we deliver are tailored to each mission with a focus on keeping our nation safe and secure. Integral is headquartered in McLean, VA and serves clients throughout the country. We offer a comprehensive total rewards package including paid parental leave and immediate vesting in our 401(k). Give us a try and become part of a curated group of professionals at Integral Federal! Our package also includes: · Medical, Dental & Vision Insurance · Flexible Spending Accounts · Short-Term and Long-Term Disability Insurance · Life Insurance · Paid Time Off & Holidays · Earned Bonuses & Awards · Professional Training Reimbursement · Employee Assistance Program Equal Opportunity Employer/Protected Veteran/Disability