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Senior System Engineer Jobs in Washington (NOW HIRING)

MANTECH

Senior System Engineer

Laurel, MD · On-site

$104K - $142K/yr

MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD . You will play a critical role in supporting the enterprise infrastructure ...

MANTECH

Senior System Engineer

Laurel, MD · On-site

$104K - $142K/yr

MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD . You will play a critical role in supporting the enterprise infrastructure ...

Solvarus

Senior System Engineer

Centreville, VA · On-site

$103K - $141K/yr

As a Senior System Engineer you will support engineering and integration efforts with key mission partners delivering significant modernization capabilities with the goal of leveraging these ...

Synergy ECP

Senior System Engineer

Columbia, MD · On-site

$250K/yr

We are seeking an experienced Senior Systems Engineer to support enterprise-scale data transport and messaging services that require high availability, reliability, and fault tolerance. The Systems ...

Socket.dev

Senior System Engineer

Columbia, MD · On-site

$250K/yr

Position Overview We are seeking an experienced Senior Systems Engineer to support enterprise-scale data transport and messaging services that require high availability, reliability, and fault ...

Solvarus

Senior System Engineer

Centreville, VA · On-site

$103K - $141K/yr

As a Senior System Engineer you will support engineering and integration efforts with key mission partners delivering significant modernization capabilities with the goal of leveraging these ...

Synergy ECP

Senior System Engineer

Columbia, MD · On-site

$250K/yr

We are seeking an experienced Senior Systems Engineer to support enterprise-scale data transport and messaging services that require high availability, reliability, and fault tolerance. The Systems ...

Synergy ECP

Senior System Engineer

Columbia, MD · On-site

$250K/yr

We are seeking an experienced Senior Systems Engineer to support enterprise-scale data transport and messaging services that require high availability, reliability, and fault tolerance. The Systems ...

Synergy ECP

Senior System Engineer

Columbia, MD · On-site

$250K/yr

We are seeking an experienced Senior Systems Engineer to support enterprise-scale data transport and messaging services that require high availability, reliability, and fault tolerance. The Systems ...

Solvarus

Senior System Engineer

Chantilly, VA · On-site

$107K - $146K/yr

As a Senior System Engineer you will support engineering and integration efforts with key mission partners delivering significant modernization capabilities with the goal of leveraging these ...

ManTech International

Senior System Engineer

Laurel, MD · On-site

$128K - $214K/yr

MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD . You will play a critical role in supporting the enterprise infrastructure ...

New

ManTech

Senior System Engineer

Laurel, MD

$128K - $214K/yr

MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD . You will play a critical role in supporting the enterprise infrastructure ...

Vetegrity

Senior System Engineer

Annapolis, MD · On-site

$103K - $141K/yr

... regarding Systems Engineering technical considerations and for associated problems, issues or conflicts. Communicates with other program personnel, government overseers, and senior executives.

vetegrity

Senior System Engineer

Annapolis Junction, MD · On-site

$175K/yr

... Systems Engineering technical considerations and for associated problems, issues or conflicts. Communicates with other program personnel, government overseers, and senior executives. Responsibility ...

vetegrity

Senior System Engineer

Columbia, MD · On-site

$195K/yr

... regarding Systems Engineering technical considerations and for associated problems, issues or conflicts. Communicates with other program personnel, government overseers, and senior executives.

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Showing results 21-40

All JobsSystem Engineer JobsSenior System Engineer JobsSenior System Engineer Jobs in Washington

Senior System Engineer information

See Washington salary details

$63.4K

$141.3K

$199.3K

How much do senior system engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for senior system engineer in Washington is $141,271.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,400.00 and $162,000.00 per year, depending on experience, location, and employer.

What is a senior system engineer?

Senior System Engineers are experienced IT professionals responsible for designing, implementing, managing, and maintaining complex computer systems and networks within an organization. They play a critical role in ensuring the stability, security, and scalability of IT infrastructure. Their tasks often include troubleshooting system issues, optimizing performance, overseeing upgrades, and mentoring junior engineers. Senior System Engineers typically collaborate with other IT teams and departments to support business objectives and technological needs.

What are some common challenges faced by senior system engineers when managing large-scale IT infrastructure projects?

Senior System Engineers often encounter challenges such as coordinating with cross-functional teams, ensuring system scalability, and maintaining high availability during upgrades or migrations. Managing complex environments requires balancing security, performance, and compliance, all while minimizing downtime. Effective communication and proactive planning are crucial to successfully navigating these challenges and delivering robust solutions that meet organizational needs.

What are the key skills and qualifications needed to thrive as a senior system engineer, and why are they important?

To thrive as a Senior System Engineer, you need advanced knowledge of system architecture, network administration, and troubleshooting, often supported by a degree in computer science or a related field and several years of experience. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are commonly expected. Strong problem-solving, project management, and communication skills help you lead teams and handle complex technical challenges. These skills are crucial for ensuring system reliability, security, and efficient operation in dynamic IT environments.

What is the difference between Senior System Engineer vs Network Engineer?

AspectSenior System EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CompTIA Network+, Cisco CCNABachelor's in Computer Science, certifications like Cisco CCNA, CCNP
Work EnvironmentDesigning, implementing, and maintaining IT systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Industry UsageIT, technology, enterprise environmentsTelecommunications, IT, enterprise networks
Common Search/ComparisonSenior System Engineer vs Network Engineer

While both roles require networking knowledge and certifications, Senior System Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network infrastructure and security. The roles often overlap but serve different core functions within IT teams.

What are the most commonly searched types of System Engineer jobs in Washington?

The most popular types of System Engineer jobs in Washington are:

What cities in Washington are hiring for Senior System Engineer jobs?

Cities in Washington with the most Senior System Engineer job openings:

Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 10% Part Time, 2% Temporary, and 7% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $141,271 per year, or $67.9 per hour.

Senior System Engineer

Laurel, MD • On-site

MANTECH
IT Services • 5 - 10K employees
Learn more about MANTECHexternal

$104K - $142K/yr

Other

Posted 4 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

MANTECH is seeking a motivated, career-driven, and customer-focused Senior Systems Engineer to join our team in Laurel, MD.

You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO’s Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior Network Engineer/Architect, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services.

Responsibilities include but are not limited to:

  • Lead Engineer maintaining datacenters containing multi-domain, cross-platform networks.
  • Responsible for utilization/standardization of all rack space and networking equipment to include, but not limited to, tracking location, asset details, operating systems, maintenance, planning retirement/consolidation and purchasing.
  • Install, configure and support mobile cellular and wireless networks to include switches, routers, gateway or functional servers, to support requirements of the scope and scale consistent with campus or system wide networks
  • Provide administration for VMWare ESXi servers, vCloud director, NetApp Storage, and Cellular/Wireless networks.
  • Be able to design, implement and configure 2G, 3G, 4G/LTE Cellular Network
  • Be able to install and implement network firewalls and provide testing support
  • Manage Workstation and Server Environments to include remote connectivity, APC remote power, DNS, and account administration for Windows, Linux and Ubuntu.
  • Leading medium to large complex projects and major phases of very large projects

Minimum Qualifications:

  • Bachelor’s degree with 12+ years of experience OR associate’s degree with 15 years OR 20 years (no degree requirement) of relevant Systems Engineer experience
  • IAM II certification (DoD 8140 required upon start of employment.  Acceptable certifications include: CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)
  • Working knowledge of:
    • VMWare - vCenter, ESXi, VSAN, NSX
    • NetApp - Cluster, SAN
    • Networking – Firewall, Switches, Wireless,
    • Operating Systems – Linux, Windows, Mac OSX
    • Wireless
  • Familiar with data center power, space and cooling design and configuration
  • Familiar with STE/STN

Preferred Qualifications:

  • Ability to coordinate and integrate the efforts of other IT professional staff, including contractors, for efforts of varying size and complexity, including operational services by carriers and long-term contract service providers.
  • Based on program and technical requirements, can evaluate and recommend appropriate hardware, software and services solutions.
  • Ability to investigate techniques and strategies utilized by other installations, especially higher education institutions, by participating in various professional organizations.
  • Regularly monitors relevant forums where job related issues are announced and discussed, stays informed of related problems/issues as they appear & are announced; passes on technical comments & suggestions that may be beneficial to colleagues.

Clearance Requirements:

  • Must possess and maintain a current/active TS/SCI clearance with Polygraph
     

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
  • Occasionally moves about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicate with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

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