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Temporary Security Engineer Jobs in Virginia (NOW HIRING)

Firewall Engineer

Arlington, VA · On-site

$92K - $166K/yr

A skilled engineer knowledgeable and experienced in developing and implementing Firewall/Networking ... temp, Top Secret environment. * Candidate must possess an active DOD Top Secret level security ...

Firewall Engineer

Arlington, VA · On-site

$92K - $166K/yr

A skilled engineer knowledgeable and experienced in developing and implementing Firewall/Networking ... temp, Top Secret environment. * Candidate must possess an active DOD Top Secret level security ...

Firewall Engineer

Arlington, VA · On-site

$92K - $166K/yr

A skilled engineer knowledgeable and experienced in developing and implementing Firewall/Networking ... temp, Top Secret environment. * Candidate must possess an active DOD Top Secret level security ...

Firewall Engineer

Alexandria, VA · On-site

$120 - $150/hr

... engineering and Operations and maintenance roles. * Strong knowledge of Palo Alto concepts and best ... temp, Top Secret environment. * Candidate must possess an active DOD Top Secret level security ...

IAM Engineer

Richmond, VA · On-site

$228K/yr

As a key member of our security and infrastructure team, you will rationalize our existing AD ... For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major ...

Showing results 21-40

Temporary Security Engineer information

What is a temporary security engineer?

Temporary Security Engineers are professionals hired on a short-term basis to assess, implement, and maintain the security posture of an organization’s IT systems. They may be brought in for specific projects, to fill in during staff absences, or to provide expertise during periods of increased security demand. Their responsibilities can include conducting security audits, responding to incidents, configuring firewalls, and ensuring compliance with security standards. Temporary Security Engineers help organizations address immediate security needs without the long-term commitment of a permanent hire.

What are the typical responsibilities and challenges faced by a temporary security engineer during short-term assignments?

As a Temporary Security Engineer, your primary responsibilities often include assessing current security measures, identifying vulnerabilities, and supporting the implementation of urgent security solutions. Due to the short-term nature of the role, you may face challenges such as quickly understanding existing systems, adapting to varying organizational protocols, and delivering results within tight deadlines. Collaboration with IT teams, system administrators, and compliance officers is common to ensure that security measures align with organizational goals. This role offers valuable exposure to diverse environments and can enhance your adaptability and technical problem-solving skills.

What are the key skills and qualifications needed to thrive as a temporary security engineer, and why are they important?

To thrive as a Temporary Security Engineer, you need a solid background in information security principles, risk assessment, and network defense, often supported by a degree in computer science or a related field. Familiarity with tools such as SIEM platforms, firewalls, intrusion detection systems, and certifications like CISSP or CEH is typically required. Strong problem-solving, attention to detail, and effective communication enable quick adaptation and collaboration in new environments. These skills ensure rapid identification and mitigation of security threats, maintaining organizational safety during transitional periods.

What is the difference between Temporary Security Engineer vs Security Analyst?

AspectTemporary Security EngineerSecurity Analyst
CertificationsCompTIA Security+, CISSP (preferred), CEHCompTIA Security+, CISSP (preferred), CEH
Work EnvironmentProject-based, on-site or remote, short-term assignmentsOngoing monitoring, reporting, and analysis in security operations centers
Employer UsageConsulting firms, IT service providers, companies needing temporary security supportOrganizations with dedicated security teams, government agencies, financial institutions

The main difference is that a Temporary Security Engineer is hired for short-term projects to implement or troubleshoot security systems, while a Security Analyst continuously monitors and analyzes security data to prevent threats. Both roles require similar certifications, but their work environments and employment types differ significantly.

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

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

What are popular job titles related to Temporary Security Engineer jobs in Virginia?

For Temporary Security Engineer jobs in Virginia, the most frequently searched job titles are:

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

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

What cities in Virginia are hiring for Temporary Security Engineer jobs?

Cities in Virginia with the most Temporary Security Engineer job openings:

Infographic showing various Temporary Security Engineer job openings in Virginia as of August 2026, with employment types broken down into 86% Full Time, 11% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Firewall Engineer

Leidos

Arlington, VA • On-site

$92K - $166K/yr

Full-time

Re-posted 18 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services


Job description

The DISA IT Operation within Leidos' Digital Modernization Group is seeking a Firewall Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management - Operations II (GSM-O II) contract. This person should be a seasoned, self-motivated, professional with at least 10 years of hands-on engineering and testing experience in virtualized and cloud environments. A skilled engineer knowledgeable and experienced in developing and implementing Firewall/Networking Security Solutions.

With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, used to provide secure information sharing to the community, into a more mature service offering to meet the DoD and IC community. As part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services - ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model.

This position is 100% onsite in Arlington, VA with occasional/situational travel within the Washington Metro Area.

PRIMARY RESPONSIBILITIES:

  • Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers
  • Provide Tier 3 support to members of the operations network administrations.
  • Maintain all HW and SW components at vendor supported levels.
  • Support mission-critical Continuity of Operations (COOP).
  • Conduct a minimum of two (2) assessment of firewall each month on CESO and customer devices and generate assessment reports and provide recommendations for improvements.
  • Support the creation of network device performance and traffic utilization monthly reports.
  • Develop and/or participate in After Action Reports (AARs)
  • Provide expert advice and direction regarding the management and operation of all Palo Alto devices in the DISA CESO enterprise architecture.
  • Interact with the customer point of contact to set objectives/goals based on Palo Alto Networks technologies and available technology roadmap for architecture and design discussions.
  • Evaluate current technologies and processes associated with DISA CESO to identify gaps.
  • Provide requirements and strategies for future cybersecurity operations.
  • Active participant in meetings with DISA CESO and mission partner working groups.
  • Adhere to applicable DOD STIGs, DISA applicable orders, and JSIG policy, guidelines, and regulations.

QUALIFICATIONS:

  • Bachelor's degree and 8+ years of directly relevant experience. Add'l experience may be considered in lieu of degree.
  • 5+ years of hands-on Cisco / Palo Alto Firewall experience in both engineering and Operations and maintenance roles.
  • Strong knowledge of Palo Alto concepts and best practices:
    • Panorama Installation
    • Panorama HA Config
    • Panorama Template and Template Stacks
    • Panorama Policy creation and push to group of Firewalls and Verify Push
    • Palo Alto Route configuration
    • Palo Alto IPSec Site to Site VPN Config and Troubleshooting
    • Palo Alto VM in AWS
    • Palo Alto IPS Configuration
    • Palo Alto Virtual Router / Systems
    • Palo Alto Firewall HA
  • Experience working in a high op-temp, Top Secret environment.
  • Candidate must possess an active DOD Top Secret level security clearance, and be eligible to obtain and maintain a TS/SCI
  • Candidate must be willing to take and maintain a CI/Poly
  • 8570 IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)

Preferred Qualifications

  • Prior experienced with DISA and DISA's support to mission partners

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:May 21, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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