Leidos has an opening for a Senior Network Engineer to support a program for the ESA-V supporting the Federal Retirement Thrift Investment Board (FRTIB) at a location in the District of Columbia. The program provides a range of IT services, including network support. This position will be responsible for overall network engineering and architecture support including planning, designing, and evaluating various components of the network. Duties may include providing specifications for network architecture, evaluating, and recommending new technologies to enhance current capabilities, and performing needs assessments. Support level duties may include monitoring, installation, modification, testing and servicing of network equipment.
Responsible for entire projects or processes spanning multiple technical areas. Manages large projects or processes while developing solutions to complex technical issues and problems that impact multiple area or disciplines. In addition, the position requires communicating with internal team members across multiple areas and client team members as well as with parties external to the organization (e.g., sub-contractors, vendors, etc.).
The successful candidate will be responsible for managing the agencies’ local area network (LAN) and Wi-Fi, maintaining and upgrading network infrastructure, including wired and wireless access points, Zscaler Client-Connector end-user host clients, and Zscaler App-Connector instances, managing and configuring Zscaler Zero-Trust access policies, and providing security upgrades. Further shall continuously improve the quality and efficiency of IT services by implementing industry best practices and enhancing the agency’s zero trust posture.
- Manage the local area network (LAN) and Wi-Fi, including configuration, optimization, and troubleshooting.
- Maintain and upgrade network infrastructure, including wireless access points and Zscaler Client-Connectors for internet security clients as required.
- Maintain and update configuration for all Zscaler services including: Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX).
- Configure monitoring tools and perform Analysis of Alternatives to recommend the best monitoring tool for current environment and stakeholder requirements.
- Provide security upgrades and enhancements to maintain the zero trust posture.
- Develop and maintain network topology diagrams, as well as network related documentation.
- Develop presentations as required for client projects.
- Attend meetings with the customer as required.
- Provide weekly reporting of issues and projects
- Ability and willingness to work extended hours or modified schedule for planned and emergency work.
- Review, resolve and close incidents, service requests and change request and collaborate with the customer and across other program areas for issue resolution within the established SLAs
- Proactively monitor the network infrastructure and resolve any concerns before they become issues.
- Provide technical direction staff members as projects require.
Required Qualifications:
- BS in computer science or related field degree, from an accredited university and 8 – 12 years of prior relevant experience. Alternatively, MS in computer science or related field degree, from an accredited university with 6 – 10 years of prior relevant experience. Additional experience may be considered in lieu of a degree.
- Minimum 6 years of experience in one or more of the technologies: Ubiquiti, DataDog, Zscaler
- Minimum 4 years experience configuring and maintaining a Zero Trust environment.
- Minimum 6 years in configuring, maintaining and operating traditional wired networks.
- Minimum 4 years of configuring, maintaining and operating Wi-Fi networks.
- Ability to work well with people from many different disciplines with varying degrees of technical experience
- Ability to express complex technical concepts effectively, both verbally and in writing
- Ability to work with a large diverse team supporting multiple customers in a shared team environment.
- Monitor and analyze network logs, alerts, and reports to ensure effective threat detection and prevention
- Perform follow-up through system monitoring and communication with users and other support teams
- Configure and monitor appropriate alerts to allow for quick response to security risks
- Implement and enforce security policies, including data loss prevention (DLP) and access control
- Ability to lead support issues to a successful conclusion while updating management and senior leadership.
- Ability to obtain and maintain a Public Trust clearance.
- Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer’s information.
- Must be a U.S. Citizen
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:July 23, 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
- BS in Computer Science or related field with 8-12 years relevant experience OR MS with 6-10 years; additional experience may substitute for degree.
- Minimum 6 years experience with one or more technologies: Ubiquiti, DataDog, Zscaler.
- Minimum 4 years configuring and maintaining a Zero Trust environment.
- Minimum 6 years configuring, maintaining, and operating traditional wired networks (LAN).
- Minimum 4 years configuring, maintaining, and operating Wi‑Fi networks.
- Maintain and update Zscaler services including ZIA, ZPA, ZDX, Client‑Connector and App‑Connector.
- Monitor and analyze network logs, alerts, and reports for effective threat detection and prevention.
- Configure and monitor alerts and monitoring tools; perform Analysis of Alternatives to recommend monitoring solutions.
- Implement and enforce security policies, including data loss prevention (DLP) and access control.
- Ability to lead support issues to resolution and provide technical direction to staff; strong verbal and written communication skills.
- Ability and willingness to work extended hours or modified schedules for planned and emergency work.
- Ability to obtain and maintain a Public Trust clearance and meet eligibility requirements for access to customer information.
- Must be a U.S. Citizen.
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.
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