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Role Description: Administer and support secure network environments, including routing, switching, firewalls, VPNs, DNS, and F5 BIG-IP technologies like LTM, APM, and ASM. Monitor performance, troubleshoot incidents, implement changes, and maintain network documentation in line with agency security policies and NIST requirements.

ARK Solutions, Inc.

Network Engineer/Administrator :: Washington, DC (Remote)

jobdiva

Job Title: Senior Network Operations Engineer – Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * * The Opportunity: Working closely with the NOC, NetOps Tier 2, and fellow NetOps Tier 3 technicians, you will execute break/fix activities, implement configuration changes, and diagnose routing and switching issues across the network environment.

YEAR

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Senior Network Operations Engineer – Tier 3

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Plan and facilitate Resource Authority (RA) Forums, Technical Authority (TA) Forums, Network Requirements Team (NRT) meetings, Engineer Working Group (EWG) meetings, Joint Engineering Team (JET) meetings, Technical Expert Meetings (TEMs), and other ad hoc meetings, summits, and conferences as appropriate. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.

Rite-Solutions Inc

Systems Engineer - ICN Network PMO

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Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You’ll lead onsite surveys, drive secure design development, oversee deployment execution, and ensure resilient, high‑availability connectivity that meets demanding SLAs.

Senior Network Engineer

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With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results. These roles are vital to the customer’s next-generation network architecture and GNOC (Global Network Operations Center) monitoring operations.

Emergent Technologies

Network Engineer - VERSA Surge Support

Impactful Work: Your contributions will be pivotal in designing, deploying, and securing mission-critical network infrastructure supporting national security operations. Bachelor's degree in Computer Science, Information Technology, Engineering, or related field and 6+ years of experience; additional experience may be substituted for a degree.

When you become part of the When you become part of the KBR team, your opportunities are endless. As a leading global technology, engineering, procurement and construction company serving the hydrocarbons and government services industries. For decades it has been the company that customers turn to for their most challenging assignments.
 
With operations in 40 countries, KBR has more than 25,000 people delivering services to customers in over 70 countries. Together they represent an unmatched reservoir of talent and experience in a wide range of markets.
 
Whatever the assignment, no matter how complex or demanding, KBR can marshal resources across every product line to respond quickly and effectively to changing markets and customer needs.
 
Whether it's providing the technology and consulting know-how to develop our customers' valuable assets; designing and constructing the infrastructure and facilities to develop energy resources in some of the world's more remote and challenging locations; providing support and services for men and women of their countries' armed forces; or navigating the intricacies of undertaking major projects in geopolitically or culturally sensitive environments, our clients depend on KBR because they know that We Deliver.
 
Join us and you'll be part of a dynamic, elite team of professionals who understand what it takes to get a job done and has the experience, knowledge and determination to succeed.”

KBR Inc

Network Engineer

Network Engineer - ICN Network PMO

Design and deploy virtual networks and subnets in commercial cloud platforms including Amazon Web Services , Microsoft Azure , and Google Cloud Platform . This role focuses on building hardened network architectures in commercial cloud platforms and supporting mission-critical connectivity in secure environments.

M2 Solutions

Network Engineer – Cloud & Secure Infrastructure

GreenHouseAPI

CACI’s National Mission Systems (NMS) group is seeking a highly motivated Network Engineer tosupport mission‑critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare‑metal systems. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results. POS - 225 Emergent Technologies Inc. is seeking an experienced Expert Network Engineer to join our mission-focused team supporting a key government program.

Expert Network Engineer

ADAPTED_NOW

Alexandria, Virginia, District Utilities, District Energy, Steam Systems, Hot Water Systems, Chilled Water Systems, Mechanical Engineering, PE License, Infrastructure Design, System Optimization, Field Investigations, Technical Leadership, Engineering Analysis, Utility Networks, Decarbonization, Sustainable Energy Solutions, Geothermal. Furthermore, we prioritize inclusivity with benefits such as 80 hours of parental leave for the birth of a child or newly adopted child, a hybrid work schedule to accommodate various needs, and for roles requiring travel, we ensure accommodations for individuals with disabilities.

Wiley|Wilson

Senior Mechanical Engineer - District Utilities

Wiley & Wilson, Inc

This role requires a strong technical background in water and wastewater infrastructure, including potable water systems, treatment facilities, pump stations, storage assets, collection networks, and associated control systems. Conduct water and wastewater infrastructure analysis of potable water systems, treatment facilities, storage assets, pump stations, distribution networks, wastewater collection systems, and related global infrastructure.

RISK MITIGATION CONSULTING INC

Water Systems Engineer

Join the Microsoft Specialized Cloud (MSC) team, where engineers build and operate highly secure cloud platforms, services, and developer experiences that support mission-critical workloads for U.S. Government customers. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $111,100 - $183,700 per year.

DO WHAT YOU LOVE Make your mark on the world’s most used technologies. Develop the next hit mobile application. Pioneer a startup that could be the next big thing. At Microsoft, you choose your path. Headquartered in Redmond, Washington, Microsoft is a top innovator in both the consumer and enterprise technology industry. Just a few of the many things our products do are unleash creativity, connect businesses, and make learning more fun. But our continued success is based on one thing: our employees. We hire amazing, talented people and give them the opportunities—and the tools—to succeed. WHY MICROSOFT? As a Microsoft employee, you’re surrounded by a diverse group of the smartest people in your field. This fosters new ideas, better business results, and creates a dynamic work environment. In the office, you’re constantly challenged and supported by your colleagues. Every day holds something new and exciting. We also offer unparalleled depth and breadth of career opportunities. As an industry leader in multiple fields, working for Microsoft means being able to do whatever you feel passionate about—and being able to make an impact in that field. From day one, we give our employees significant responsibility. This means that you’ll know that you directly contributed to something that has a positive impact on people worldwide. Whether you choose to work in management, dive deep into the newest technology, or explore multiple professions, you’ll find everything you need at Microsoft to drive your career—and to make a difference. WE GET IT – YOU’RE MORE THAN YOUR JOB Everyone works differently and is motivated by different things. We also understand that there’s more to you than your job. That’s why we offer competitive pay and a wide assortment of benefits-- to help you make the most of life at work and away from it. GET THE BALL ROLLING

Microsoft Corp

Software Engineer - CTJ - TS (Cleared)

Responsibilities include providing expert technical support, administration, and engineering on all Microsoft Windows Operating Systems through the following ways: Supports Windows Server workloads operating within AWS, including Amazon EC2 instances and associated storage resources. This role supports ONR's mission-critical enterprise IT operations, including Windows Server administration, Active Directory, DNS, VMware virtualization, systems integration, and hybrid infrastructure support.

The Informatics Applications Group Inc

Systems Engineer

Key responsibilities include: Work with FAA programs to ensure a seamless transition of vital business services to the next generation network, maintaining continuity and service excellence. Position Overview: NIRA, Inc., a rapidly expanding women-owned small business, is seeking a Systems Engineer to join our team supporting the Federal Aviation Administration (FAA).

Nira Inc

Administer and support virtual servers, storage environments including SAN/NAS, and virtual networking components such as vSwitches, distributed switches, VLANs, and VMware NSX-T, including logical switching, routing, firewall, and micro-segmentation capabilities. Bachelor's degree and 13 years of experience in related fields such as infrastructure engineering, network engineering, systems deployment, IT implementation, or field engineering; equivalent combinations of education and experience may be considered.

Infrastructure Engineer

Provision and manage Azure resources including Azure Virtual Networks, subnets, NSGs, storage accounts, Azure Key Vault, Azure SQL, Azure Kubernetes Service (AKS), Azure Monitor, and Azure Compute services . The Cloud Engineer will work closely with data engineers, software engineers, architects, cybersecurity professionals, and government stakeholders to provision and operate Azure resources that support data pipelines, analytics platforms, applications, and AI/ML workloads.

Analytica

Cloud Engineer

How we empower our people is extraordinary: we're recognized as a Glassdoor Best Place to Work 2025, Great Place to Work-Certified in five countries, and honored by Cigna as a Healthy Workforce honors for three consecutive years; and what we build is world class: named CybersecAsia's Best in Critical Infrastructure 2024 - clear evidence that when first-class technology meets empowered talent, remarkable careers take shape. Collaborating closely with Infoblox Professional Services, Support, Engineering, and Account teams, you will drive stability, performance, and security across the customer's hybrid network while using automation and AI-assisted tools to streamline operations, analyze trends, and proactively reduce risk.

Infoblox Inc

Staff Resident Engineer

In this role, you will serve as a trusted security advisor and hands-on technical lead, designing and implementing cutting-edge network and cloud security solutions for civilian, defense, and intelligence community agencies. Position Overview Celestial Innovations Group (CIG) is seeking an experienced Palo Alto Networks Professional Services Consultant to support our growing federal and government client portfolio.

Celestial Innovations Group

Solutions Consultant (Palo Alto Networks)

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

Security Engineer Jobs in Ashburn, VA

Network Engineer/Administrator :: Washington, DC (Remote) ARK Solutions, Inc.

Senior Network Operations Engineer – Tier 3 CACI

Systems Engineer - ICN Network PMO Rite-Solutions Inc

Senior Network Engineer CACI

Network Engineer - VERSA Surge Support Emergent Technologies

Network Engineer KBR Inc

Network Engineer - ICN Network PMO Rite-Solutions Inc

Network Engineer – Cloud & Secure Infrastructure M2 Solutions

Network Engineer CACI

Expert Network Engineer Emergent Technologies

Senior Mechanical Engineer - District Utilities Wiley|Wilson

Water Systems Engineer RISK MITIGATION CONSULTING INC

Software Engineer - CTJ - TS (Cleared) Microsoft Corp

Systems Engineer The Informatics Applications Group Inc

Systems Engineer Nira Inc

Infrastructure Engineer CACI

Cloud Engineer Analytica

Staff Resident Engineer Infoblox Inc

Solutions Consultant (Palo Alto Networks) Celestial Innovations Group

Senior Active Directory Engineer - Active Top Secret required GD Information Technology

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