Leidos is seeking a customer driven personality to join our team as a Cybersecurity Specialist. This role will drive resolution of customer incidents and perform network expansion with firewall hardware/software. Working with a team of highly motivated technical individuals who work in a collegial, collaborative work environment. Your key role is Supporting the NASA customers implementing firewall rules and troubleshooting access to various applications across the agency network. In addition, you will be installing new firewall hardware, performing software upgrades and validating systems that are in compliance with strict NASA standards.
Primary Responsibilities
- Duties may include monitoring, installation, modification, testing and servicing of network equipment.
- Creating and engineering support for a broad range of network services Firewall, LAN, WAN and DDI.
- Configuration, troubleshooting, sustainment of Fortinet and Cisco devices.
- Trouble ticket management and resolution of network problems.
- Implementation and replacement of network devices not limited to routers, switches, firewalls, wireless Lan controllers and access points.
- Responsible for overall network analyst.
- Using various network monitoring tools.
- Working independently to achieve day-to-day objectives with significant impact on operational results or project deliverables.
- Responsible for entire projects or processes within a technical area.
- May be responsible for coaching and reviewing the work of lower-level technical staff.
- Develops technical solutions that require collaboration with internal experts, deep analyses and understanding of impact on Develops solutions to technical problems and issues that are unclear and require deep technical knowledge.
- Communicates with internal and client project team members.
Basic Qualifications
- Requires Bacherlors degree and 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. Additional experience may be considered in lieu of degree.
- Must have the ability to obtain and keep a minimum of a Public Trust clearance.
- Experience supporting large enterprise networks focusing on Cybersecurity, Routing, Switching, DNS and DHCP
- Hands-on working experience with large enterprise Fortinet firewall applications.
- Cisco CCNA level certification or working knowledge and hands on experience with Cisco devices.
- Vital QIP and Splunk experience.
Preferred Qualifications
- Professional level certification or working knowledge of Fortinet firewalls, LAN, WAN and Fortianalyzer systems.
- Expertise in DHCP management for large enterprise environment.
- Network monitoring experience using tools such as Performance Manager, Spectrum, Splunk and Vital QIP.
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:June 16, 2026For 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.
The Leidos pay range for this job level is a general guideline only and 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.
Skills Required
- Bachelor's degree and 2-4 years of relevant experience (or Master's with less than 2 years); additional experience may substitute for degree
- Ability to obtain and maintain a Public Trust clearance
- Experience supporting large enterprise networks focusing on cybersecurity, routing, switching, DNS and DHCP
- Hands-on working experience with large enterprise Fortinet firewall applications
- Cisco CCNA level certification or working knowledge and hands-on experience with Cisco devices
- Experience with Vital QIP
- Experience with Splunk
- Professional level certification or working knowledge of Fortinet firewalls, LAN, WAN and FortiAnalyzer systems
- Expertise in DHCP management for large enterprise environments
- Network monitoring experience using Performance Manager and Spectrum
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
