Network Engineer Senior/Principal
About The Position
At GDIT, people are our differentiator. As a Network Engineer Senior/Principal, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Network Engineer Senior/Principal joining our dynamic team to work in a fast-paced environment focused on engineering, migration, and operations of enterprise network security services. We're looking for a self-starter who works both as part of the team and on individual assignments, in an environment of customer mission delivery, integrity, and clear communications. We're looking to fill this role with someone who currently has deep experience with next-generation firewalls, SASE/SSE platforms, network visibility and micro segmentation technologies, and the certifications and skills to execute in large multi-tenant enterprise environments. You should be flexible, enjoy tackling complex transition challenges, and want to join a large team that is building, migrating, and sustaining enterprise managed security services. If this sounds like you and you love to learn and grow with a team while delivering program milestones, then we'd love to hear from you!
Requirements
- BA/BS or equivalent experience
- 5+ years (Senior) or 8+ years (Principal) of experience with Next Generation Firewalls and enterprise network security technologies
- Networking (Routing, Firewall, and Switching)
- Palo Alto Networks (NGFW, Panorama / Strata Cloud Manager, Prisma Access, GlobalProtect)
- Juniper SRX
- F5
- Exposure to Illumio, Gigamon, ExtraHop, or AlgoSec
- Excellent communication skills with demonstrated experience delivering presentations and technical briefings to diverse audiences at various levels of an organization
- Strong documentation discipline
- Must be able to pass a background check to obtain a position of Public Trust
- US Citizenship Required
Nice To Haves
- Enterprise Network
- Network Firewalls
- Palo Alto
Responsibilities
- Designs, deploys, configures, and maintains cloud and on-premises network security solutions including Palo Alto NGFW, Panorama / Strata Cloud Manager, Prisma Access, GlobalProtect, Juniper SRX, Gigamon visibility components, ExtraHop sensors, Illumio Virtual Enforcement Nodes, and related policy and automation tooling.
- Maintains the integrity and security of the network device estate (Palo Alto firewalls and management planes, Juniper SRX, Gigamon TA/HC platforms, ExtraHop appliances, F5, and supporting infrastructure).
- Executes day-to-day implementation tasks for service takeovers and phased migrations: inventory and re-baselining of firewall and tunnel policies, GlobalProtect / Prisma Access policy changes, Gigamon/ExtraHop installation and feed validation, Illumio visibility deployment, and AlgoSec-driven policy cleanup.
- Creates, maintains, and updates documentation (diagrams, user guides, SOPs, and runbooks).
- Supports and develops automation for configuration, validation, and reporting tasks.
- Maintains and enhances knowledge of core network security technologies (Palo Alto, Juniper, Gigamon/ExtraHop, Illumio, F5, AlgoSec).
- Monitors and improves existing and new deployments; participates in agency phased rollouts under the direction of Principal / Lead engineers.
- Works across teams and external customer groups to implement solutions and support infrastructure build-outs.
- Handles escalations; makes assessments, recommendations, or provides solutions to resolve issues.
- May coach and provide guidance to less-experienced professionals.
- Coordinates the acquisition of hardware and software as well as subcontractor services as needed.
Benefits
- Comprehensive benefits and wellness packages
- 401K with company match
- Competitive pay and paid time off
- Full-flex work week
- Variety of medical plan options
- Health Savings Accounts
- Dental plan options
- Vision plan
- 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
- Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
- Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees
- Short and long-term disability benefits
- Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Associate degree
