Top 491 Firewall engineer Jobs in Reston, Va

Systems Engineer
Opus Interactive —Manassas, VA
- $95,000 - $110,000 a year
- Weekends as needed
- Background check
- 5 years
- Pass drug screening
- Health insurance
- Dental insurance
Quick Apply
12h
Principal Security Engineer
Navy Federal Credit Union —Vienna, VA
- $131,700 - $206,450 a year
- Online Application
- 7 years
- System design
- Office
- Referral program
6d
Network Engineer Principal
General Dynamics Information Technology —Chantilly, VA
- $111,155 - $150,385 a year
- Up to 50% travel
- Windows
- High school diploma or GED
- Paid time off
- 401(k) matching
Zscaler Network Security Engineer (Adv) - U.S. Citizenship Required
CGI Group, Inc. —Fairfax, VA
- $127,500 - $276,200 a year
- Hybrid work
- Background check
- Azure
- Computer Science
- Paid parental leave
- Paid holidays
Network Security Engineer, Tech Lead
Freddie Mac —McLean, VA
- $146,000 - $218,000 a year
- Full-time
- Computer science
- Computer Science
- 8 years
Network Engineer
Cornerstone Defense —Herndon, VA
- Contract
- Computer science
- Azure
- Computer Science
Network Engineer
NeoMax —Herndon, VA
- Full-time
- Azure
- Maintenance
- Master's degree
Quick Apply
Senior Network / Communications Engineer
Global C2 Integration Technologies —Reston, VA
- Contract
- Hybrid work
- Computer science
- Computer Science
- Bachelor's degree
Quick Apply
7d
Network Engineer, Data Center Management
Google —Reston, VA
- $126,000 - $181,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
2d
Cyber Security Engineer II
BAE Systems Inc. —Reston, VA
- $79,365 - $134,921 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Paid holidays
Network Engineer - (US only)
ICF —Reston, VA
- $98,187 - $166,919 a year
- Full-time
- 5 years
- Office
- AWS
Network Engineer (Expert)
BAE Systems Inc. —Herndon, VA
- $149,603 - $254,317 a year
- Full-time
- 11+ years
- Master's degree
- Analysis skills
- Health savings account
- Paid holidays
Security Engineer
Securiport —Reston, VA
- Full-time
- Computer science
- Computer Science
- Mid-level
Network Engineer SME
Cornerstone Defense —Herndon, VA
- Contract
- Azure
- 11+ years
- Master's degree
- Travel reimbursement
- Health savings account
Senior Network Engineer
Oneida Techical Solutions —Fort Belvoir, VA
- $140,000 - $150,000 a year
- 8 hour shift
- Background check
- Computer science
- 6 years
- Health savings account
- Health insurance
Quick Apply
Principal Security Engineer (Palo Alto Strata Cloud)
Navy Federal Credit Union —Vienna, VA
- $131,700 - $206,450 a year
- Online Application
- Azure
- Computer Science
- Research
8d
Senior Network Engineer (Security)
GuROO —Washington, DC
- From $180,000 a year
- Full-time
- Bachelor's degree
- In-person
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Firewall Engineer
Leidos —Arlington, VA
- $92,300 - $166,850 a year
- Full-time
- 5 years
- System design
- AWS
14d
Senior Network Engineer
Leidos —Fort Belvoir, VA
- $92,300 - $166,850 a year
- Full-time
- 6 years
- Computer Science
- System design
Network/Systems Engineer
Federal Professional Solutions —Washington, DC
- $130,000 a year
- Full-time
- 7 years
- Azure
- Bachelor of Science
- Health insurance
- Dental insurance
Quick Apply

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firewall engineer jobs near reston, va

Systems Engineer

Opus Interactive
Manassas, VA

Quick Apply

Job Details

Full-time
$95,000 - $110,000 a year
12 hours ago

Benefits

Health insurance
Dental insurance
401(k)
Flexible spending account
Paid time off
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Professional development assistance

Qualifications

Data center experience
Operating systems
Replacing parts
Linux support
Hardware maintenance
English
Low-voltage system cabling
Windows
High school diploma or GED
Computer hardware
Virtualization
Systems engineering
Hardware management
Linux
Windows Server administration
Hardware diagnostics
Linux administration
Equipment racks mounting

Full Job Description

Job Summary

At Opus Interactive, technology meets humanity. We’re a high-compliance cloud and colocation provider that delivers secure, high-performance private/hybrid cloud, IaaS, and managed services from Tier III+ data centers in Oregon, Texas, and Virginia. We believe in doing great work for great people — while caring deeply about our customers, our communities, and the planet we all share.

The Role

We’re looking for a self-directed, customer-facing Systems Engineer to join our operations team in Manassas, Virginia. This is a hands-on, project-heavy role where you’ll work side-by-side with senior engineers to deliver dedicated private cloud and IaaS solutions for enterprise customers. You’ll blend deep technical expertise with genuine human connection — spotting opportunities to solve real problems and making customers feel truly supported.

If you love both technology and people, and you thrive when your work has visible impact, we’d love to meet you.

Location Requirement (must-read)

This role requires regular, in‑person work at the Manassas, VA datacenter. Candidates must live locally or be able to reliably commute to Manassas, VA (20109). Remote applicants who cannot work on site will not be considered.

Core must-have qualifications

· U.S. Citizen (required due to the nature of the role and compliance standards).

· Proven, hands‑on datacenter experience: racking, powering, running structured cabling, cable management, copper & fiber patching, and fiber handling best practices.

· Strong familiarity with network gear and optical transceivers (SFP/SFP+/QSFP family) and cabling standards.

· Experience working on physical hardware: rack servers, storage arrays, switches — setup, troubleshooting, and parts replacement.

· Administration experience with virtualization platforms and technologies. (VMware vSphere/ESXi/vCenter strongly preferred; other hypervisors or container platforms acceptable from an admin standpoint).

· Server OS management experience: solid Windows Server skills and strong Linux experience (Linux emphasis).

· Minimum 5 years hands‑on systems engineering or equivalent service‑provider/enterprise experience.

· Excellent written and verbal English communication skills.

· Self-motivated with a strong work ethic and the ability to drive projects forward independently while staying collaborative.

Key Role Responsibilities

Work independently on assigned tasks while collaborating closely with senior engineers and the broader team.

· Infrastructure management (~70%)

You will lead and execute infrastructure projects from design through successful handover. This includes:

o Build, configure, and maintain virtualization clusters, container platforms, storage, network, and compute in a multi‑tenant datacenter.

o Troubleshoot across hypervisor, orchestration, storage, network, and OS layers.

o Deploy/manage backups (Veeam experience strongly preferred).

o Assist with provisioning, system migrations, upgrades, capacity planning, and performance tuning.

o Document configurations, procedures, and project deliverables to Opus standards.

o Provide customer‑facing support: requirements gathering, updates, and support tickets.

· Datacenter work (~30%)

You will work hands-on inside the data center:

o Perform physical rack & stack work, cabling, power installs, patching, and hardware repairs/replacements.

o Perform Remote Hands/Smart Hands tasks and assist with migrations, upgrades, capacity planning, and documentation.

o Provisioning of new infrastructure and customer assets within the datacenter.

o Occasional datacenter tours to prospects.

Qualifications

· Datacenter cabling & physical operations (copper & fiber patching, cable management, power/circuit basics).

· Hardware troubleshooting and parts replacement for rack servers, storage, and network devices.

· Virtualization administration.

· Linux administration (preferred) and Windows Server administration.

· Networking fundamentals: DNS, TCP/IP, VLANs, switching, routing, firewalls.

· Storage fundamentals: SAN/NAS, iSCSI, NFS.

· Scripting/automation: PowerShell, Python, or shell scripting.

· Excellent written & verbal communication; customer interaction experience.

Nice To Have

· Veeam certification or extensive hands‑on backup experience.

· Experience with Kubernetes/OpenShift and containerized workloads.

· Multiple virtualization platform experience (VMware, OpenShift, Verge.io, Proxmox).

· Service‑provider or colocation operations background.

Logistics & Work Model

· Location: Manassas, VA datacenter (20109).

· Work model: On‑site work required. Occasional optional remote work.

· Schedule: Weekday hours, scheduled weeknight and weekend maintenance/outages, emergency on‑call (backup only).

Why You’ll Love It Here

You’ll join a high-productivity team that values autonomy, ownership, and real collaboration. Daily team syncs and active Slack communication keep everyone connected, while giving you the space to focus and do your best work. You’ll have the autonomy to solve interesting problems, the support of a strong team, and the satisfaction of knowing your work directly impacts customers and the planet.

We offer competitive salaries, performance bonuses, excellent benefits, 401(k) match, and meaningful professional development.

How to Apply

Apply only if you meet the location requirement and the core must have qualifications above. Include a summary of:

(1) your proximity/ability to commute to Manassas, VA

(2) specific datacenter hands on experience (racking/cabling/patching examples)

(3) virtualization platforms administered

(4) Linux and Windows experience.

Job Type: Full-time

Pay: $95,000.00 - $110,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Paid time off
Parental leave
Professional development assistance
Vision insurance

Application Question(s):

Do you have experience with Datacenter operations? If so, how many years?
Do you have experience with Operating system management - Linux and Windows? If so, how many years?
Background checks are required for our compliances. Are you willing to undergo the required Background check and drug screening?
US Citizenship is required for our compliances. Are you a US Citizen?
Do you have experience with Private Cloud Management? If so, how many years and with which platform(s)?

Education:

High school or equivalent (Preferred)

Work Location: In person

Quick Apply

Refine Your Search

firewall engineer jobs in reston, va

Systems Engineer

Principal Security Engineer

Network Engineer Principal

Zscaler Network Security Engineer (Adv) - U.S. Citizenship Required

Network Security Engineer, Tech Lead

Network Engineer

Network Engineer

Senior Network / Communications Engineer

Network Engineer, Data Center Management

Cyber Security Engineer II

Network Engineer - (US only)

Network Engineer (Expert)

Security Engineer

Network Engineer SME

Senior Network Engineer

Principal Security Engineer (Palo Alto Strata Cloud)

Senior Network Engineer (Security)

Firewall Engineer

Senior Network Engineer

Network/Systems Engineer

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