Senior Systems Administrator
$120k - $150kKPFF Consulting Engineers
At KPFF Consulting Engineers, we are more than just an engineering design firm. For over 65 years, we have dedicated ourselves to innovative, sustainable engineering that shapes the built environment and tackles complex infrastructure challenges. Our team culture emphasizes balance, growth, and well-being, supporting each member’s professional journey with flexibility, generous benefits, and a collaborative approach to work-life integration.
With over 1,500 professionals across 36 offices nationwide, KPFF’s decentralized structure allows each office the flexibility to pursue projects aligned with their regional strengths. Learn more at
Job Description
KPFF is seeking an experienced Senior Systems Administrator to support and enhance our enterprise technology infrastructure across multiple offices. This role is responsible for maintaining the reliability, security, and performance of the firm's systems, networks, and cloud platforms while providing advanced technical support for critical business operations.
Working closely with the Director of Technology and the broader IT team, this position combines hands-on technical administration with infrastructure improvement initiatives. The ideal candidate enjoys solving complex technical challenges, balancing operational support with project work, and partnering with internal stakeholders and external vendors to deliver secure, scalable technology solutions.
Primary Responsibilities
Infrastructure & Network Administration
- Administer and maintain enterprise network infrastructure, including firewalls, VPNs, switching, routing, VLANs, WAN connectivity, and network security.
- Monitor system and network health, performance, and capacity to ensure reliable operations across multiple offices.
- Troubleshoot complex connectivity and infrastructure issues affecting office and remote users.
- Coordinate internet service installations, upgrades, and vendor escalations.
- Implement and maintain network security policies, firewall rules, and access controls.
Systems & Cloud Administration
- Administer Microsoft 365, Active Directory, Microsoft Entra ID, and other enterprise applications.
- Manage user accounts, permissions, licensing, authentication, and access throughout the employee lifecycle.
- Support servers, virtualization environments, storage systems, backup solutions, and cloud infrastructure.
- Diagnose and resolve system, application, authentication, and endpoint issues while maintaining high system availability.
Security & Operational Support
- Support the implementation and maintenance of infrastructure security controls and best practices.
- Participate in incident response, vulnerability remediation, and infrastructure hardening efforts.
- Respond to escalated technical issues and provide advanced troubleshooting across network, systems, and cloud environments.
- Communicate planned maintenance, outages, and service interruptions to stakeholders.
Projects & Continuous Improvement
- Lead or contribute to infrastructure projects, including system upgrades, migrations, and technology modernization initiatives.
- Research and recommend solutions that improve reliability, security, scalability, and operational efficiency.
- Maintain accurate technical documentation, network diagrams, system configurations, and change records.
- Collaborate with IT leadership to support strategic technology initiatives and infrastructure planning.
Vendor & Cross-Functional Collaboration
- Partner with hardware, software, cloud, and telecommunications vendors to resolve issues and coordinate infrastructure changes.
- Assist with evaluating technology solutions, procurement activities, and implementation planning.
- Build effective working relationships with employees across the firm while delivering exceptional internal customer service.
Qualifications
Required
- Bachelor's degree in Information Technology, Computer Science, or a related field, or an equivalent combination of education and professional experience.
- Four or more years of experience administering enterprise systems and network infrastructure.
- Strong knowledge of TCP/IP networking, DNS, VPNs, VLANs, routing, switching, and firewall technologies.
- Experience administering Microsoft 365, Active Directory, Microsoft Entra ID, and cloud-based infrastructure.
- Experience supporting users across multiple office locations.
- Strong analytical, troubleshooting, and problem-solving skills.
- Ability to prioritize multiple initiatives while maintaining a high level of customer service.
Preferred
- Experience supporting FortiGate, Juniper, or Ubiquiti network environments.
- Experience with VMware or other virtualization platforms.
- Experience with automation or scripting using PowerShell or similar tools.
- Industry certifications such as CCNA, Fortinet, Security+, Microsoft, or other relevant certifications.
Physical Demands and Work Environment:
- Duties are typically performed in a normal office environment while sitting at a desk.
- Ability to actively engage with a computer for several hours per day and communicate over the telephone or virtual meeting platforms.
- May occasionally need to lift items up to 20 lbs.
- Work in downtown Seattle office 5 days/week, with flexible work hours between 7 am and 5 pm.
Additional Information
Success in This Role
Success will be measured by your ability to:
- Maintain highly available, secure, and reliable infrastructure.
- Resolve incidents efficiently while providing excellent customer service.
- Successfully implement infrastructure enhancements and technology projects.
- Improve system performance, security, and operational efficiency.
- Build trusted relationships across the organization through responsive and collaborative IT support.
Compensation:
The base salary for this role is competitive and will be determined based on the candidate's experience, education, and skills. The expected range for a qualified candidate with at least 10 years of experience is $120,000 – $150,000 . Additionally, we offer performance-based bonuses to recognize and reward outstanding contributions in each Reporting Center. During the interview process, we'll address any questions you may have about the overall compensation package and benefits.
Benefits:
We are passionate about supporting our employees through flexible and comprehensive Benefits:
- 401(k) retirement savings plan with employer contribution
- Medical insurance
- Dental insurance
- Vision insurance
- Health Savings Account (HSA) with employer contribution
- Healthcare and Dependent Care Flexible Spending Accounts (FSA)
- Life insurance
- KPFF Paid Family Leave
- Short-term and Long-term disability insurance
- Paid Holidays (including two Floating Holidays)
- Paid Time Off (vacation, sick, jury duty)
- Subsidized ORCA bus/transit pass
Work Authorization
This position is not eligible for visa sponsorship. Candidates must be authorized to work in the United States without sponsorship now or in the future.
KPFF Consulting Engineers participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
KPFF Consulting Engineers is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, creed, ethnicity, national origin, religion, marital status, sex/gender (including sexual orientation or gender identity), pregnancy, veteran status, citizenship status, physical or mental disability, or any other protected basis.
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...SeniorFull timeLocal area$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a Government enterprise. This role is ideal for an experienced systems administrator...SeniorFull time
$78.6k - $160.2k
...Senior Systems Administrator At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential...SeniorLocal area- ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and...SeniorFull timeContract workFor contractorsWork at officeFlexible hours
$78.6k - $160.2k
...and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS....SeniorLive inWork at officeLocal area$101.92k - $131.04k
...Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated...SeniorFull timeContract workFor contractorsWork at officeFlexible hours- Systems Planning and Analysis, Inc. (SPA) seeks a Classified System Administrator to design, build, and maintain secure classified infrastructure. You will mentor junior admins and report to the Operations Manager while ensuring secure operations across classification levels...Senior
- The Senior Systems Administrator at i3Solutions, Inc. leads the design, deployment, and performance tuning for mission-critical enterprise systems in a security-conscious environment. You will implement and support ACCS infrastructure, maintain STIG/IAVA compliance, develop...Senior
$77.6k - $176k
Booz Allen Hamilton in Washington, DC seeks a Senior System Administrator to lead enterprise-scale infrastructure and security for mission-critical systems. The role requires 8+ years of sys/admin experience, TS/SCI clearance, and a strong background in Windows/Linux, databases...Senior- Integrated Computer Solutions, Inc. is seeking a Senior System Administrator in Arlington, Virginia. This position involves providing Tier I/II/III support within classified environments, ensuring operational performance and security of critical systems. The ideal candidate...Senior
- Knight Federal Solutions in Washington, DC is seeking a Systems Administrator to maintain and optimize our IT infrastructure, ensuring secure operations in a TS/SCI environment and collaboration with cross-functional teams on critical projects. Responsibilities include...Senior
- FGS LLC is seeking an experienced Enterprise Systems Administrator to support the Office of Naval Intelligence in Suitland, Maryland. The role requires expertise across Windows and Linux server environments, virtualization (VMware/Hyper-V), and SQL Server in secure computing...SeniorWork at office
- ...’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Systems Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration and reliable operation...SeniorWork at officeLocal areaRemote work
- Senior Systems Administrator Saliense Consulting LLC Washington, District of Columbia, United States About this position About Saliense At Saliense, we are committed to fostering a culture of continuous learning and professional growth. Our employees are encouraged to...Senior
$130k - $140k
...we’ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous...SeniorFor contractors$10k
...Systems Administrator III (Senior) Location: Suitland, MD (On-Site) Clearance: Active Top Secret/SCI w/ CI Poly (Required) Certification: DoD 8140/8570 Compliant (Security+ CE or qualifying certification required) Employment Type: Full-Time Position Summary...SeniorFull timeContract workTemporary workImmediate startFlexible hours- ...McLean, VA . We currently have an immediate opening for a Sr. Systems Administrator to support our contract in Lanham, MD. Our government... ...requirement to provide support in Infrastructure Management for a Senior System Administrator, with strong Microsoft Hyper‑V...SeniorContract workWork at officeImmediate startRemote workMonday to Friday
- Senior Systems Administrator - Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security clearance required. TS/SCI. Must possess active clearance. Security+ certification required. Description : The...SeniorFull time
- ...maintain Windows and Linux servers, databases, and mission‑critical systems. Manage virtualization environments (VMware) and cloud... ...Experience: Minimum 5 years of experience as a Windows Systems Administrator. Strong knowledge of AWS infrastructure and security best...Senior
- Job Description This Senior Systems Administrator position is responsible for maintaining information technology infrastructure to support Virginia Tech sites in both Alexandria and Arlington. This position maintains systems for client support, security monitoring, and...SeniorWork experience placement
- Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people...SeniorFull timeContract workFor contractorsWork at office
- Senior Systems Administrator II Employment Type: Full Time, Senior-level - Department: Legal/IT Overview CGS is seeking a Senior Systems Administrator to support technical initiatives for a large Federal agency, ensuring systems meet client needs and comply with policy...SeniorFull timeContract workFlexible hours
- ...Basic Requirements Security+ Cert 20 years experience as a system engineer Bachelor’s degree in a technical discipline 5 additional... ...across all levels (both in-person and via phone) Systems Administration: Linux Server administration alongside Windows 10/11 and Windows...SeniorFull timeImmediate startRemote workShift work
$120.8k - $265.8k
Job Title: Senior Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...deep exposure to our product ecosystem, broaden your Linux administration capabilities, and have room to explore specialized areas like...SeniorContract workWork experience placementFlexible hours$120.8k - $265.8k
Job Title: Sytems Administrator 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None The Opportunity Be a part of an Infrastructure...SeniorFull timeContract workWork experience placementFlexible hours$164k - $200k
Belay Technologies is seeking a Senior System Administrator to join our intel team. Join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the Government...Senior- ...enterprise hosting services Perform other duties as assigned Requirements Bachelor's degree in Computer Science, Information Technology, Systems Engineering, Engineering, or a related technical discipline Minimum of five (5) years of progressively responsible experience in...SeniorLocal areaRelocationVisa sponsorshipWork visa
- Position Overview JDEIS databases and systems must stay current, backed up, and available to support doctrine and education work. The Senior Systems Administrator provides database and systems administration across JDEIS applications, including backups after major updates...SeniorTemporary workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- IT infrastructure administrator Washington DC
- application system administrator Washington DC
- enterprise administrator Washington DC
- computer systems administrator Washington DC
- office 365 and sharepoint system administrator Washington DC
- remote systems administrator Washington DC
- IT administrator Washington DC
- system admin Washington DC
- server administrator Washington DC
- systems administrator Washington DC


