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Description

Join us in transforming how technology serves those who serve.

At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow.

Shape the future of digital defense.

Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure.

Ready to engineer solutions that matter?

The Digital Modernization Sector at Leidos is seeking a dynamic Senior System Engineer to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. This role is part of a high-impact program focused on delivering secure, scalable cloud solutions that enable operational agility and resilience across the USCG enterprise.

As a network engineer, you will have deep experience designing and securing cloud-based network architecture, with hands-on expertise in F5, Versa Networks SD-WAN and security solutions.. This role is essential to ensuring secure, scalable, and resilient connectivity across hybrid and multi-cloud environments. You’ll work closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission.

Primary Tasks

+ Design, implement, and maintain secure cloud network architectures in AWS, Azure, and hybrid environments

+ Integrate cloud networks with on-premises DoD infrastructure using VPNs, Direct Connect, ExpressRoute, and SD-WAN

+ Implement network segmentation, Zero Trust principles, and policy-based access controls

+ Automate network provisioning using Infrastructure as Code (IaC) tools such as Terraform and Ansible

+ Monitor network performance and troubleshoot connectivity issues using tools like CloudWatch, Azure Monitor, and packet capture utilities

+ Ensure compliance with DoD cybersecurity frameworks including DISA STIGs, NIST 800-53, and RMF

+ Collaborate with cybersecurity, cloud engineering, and application teams to support secure mission delivery

+ Maintain detailed network documentation, diagrams, and standard operating procedures

+ Promote continuous improvement through feedback loops and process refinement

+ Ensure alignment with USCG mission priorities and Leidos delivery standards

Basic Qualifications:

+ Bachelor’s degree in a related field (e.g., Computer Science, Information Systems, Business)

+ 12+ years of experience in Site Reliability Engineering, DevOps, or Cloud Infrastructure roles

+ Hands-on experience with Versa Networks SD-WAN and security platforms

+ Experience configuring and managing F5 BIG-IP LTM, GTM, and ASM modules

+ Proficiency in AWS and/or Azure networking services (VPCs, VNets, Transit Gateway, NSGs, Route Tables)

+ Strong understanding of TCP/IP, BGP, DNS, NAT, and VPN technologies

+ Familiarity with Zero Trust Architecture and DoD cloud security requirements

+ Scripting and automation experience (Python, Bash, PowerShell)

+ Excellent facilitation, communication, and stakeholder engagement skills

+ Ability to work in a fast-paced, mission-driven environment

+ Certifications such as Versa Certified SD-WAN Engineer, F5-CTS, AWS Advanced Networking, or Azure Network Engineer Associate

+ Must be a U.S. Citizen and have a Public Trust and be able to obtain a SECRET clearance

Preferred Qualifications:

+ Knowledge of ICAM integration and cross-domain solutions

+ Prior experience supporting DHS, USCG, or other federal cloud modernization efforts

+ Strong documentation, communication, and cross-functional collaboration skills

+ Experience working with technical teams in cloud, cybersecurity, or enterprise IT environments

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

October 27, 2025

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 $126,100.00 - $227,950.00

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.

\#Remote

REQNUMBER: R-00169451

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.