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L5 Jobs in Virginia (NOW HIRING)

BE / RenXTech

CI Officer L5 (22579)

Falls Church, VA

$170K - $185K/yr

Ren X Tech | People -Focused. Mission -Obsessed. At RenXTech, we're not just different, we're better. We handpick talent, ensuring every team member aligns with our mission and values. This selective ...

MITRE

(L5) Identity Cybersecurity Engineer

Mclean, VA · On-site

Job Summary : MITRE is a not-for-profit corporation dedicated to addressing the nation's toughest challenges. The Identity Cybersecurity Engineer will focus on implementing and managing Identity ...

M.C. Dean, Inc

Tech Specialist 2 (BMS and EMCS)

Tysons, VA · On-site

$42K/yr

The role performs startup, point-to-point verification, and sequence testing (L3), supports functional commissioning (L4), and assists with Integrated Systems Testing (IST, L5) under the direction of ...

Simos

QA/QC Manager - Data Center

Sandston, VA · On-site

$110K - $120K/yr

Works closely with the project CX Team to close out L4/L5 CX activities. * Trains and evaluates project QA/QC staff in all Quality related activities on the project. * Participates in employee ...

HKA Enterprises

Commissioning Specialist

Arlington, VA · On-site

$65/hr

Leadership experience with L4/L5 testing * Industry-recognized commissioning certification (CxA, BCxP, or similar) #Commissioning#BuildingCommissioning#FacilitiesEngineering#MissionCritical#ASHRAE ...

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L5 information

What are the key skills and qualifications needed to thrive as an L5 (mid-level Software Engineer), and why are they important?

To thrive as an L5 Software Engineer, you need strong programming skills, problem-solving abilities, and a solid understanding of computer science fundamentals, usually backed by a relevant degree or equivalent experience. Familiarity with development frameworks, version control systems like Git, and cloud platforms such as AWS or GCP is typically required, along with possible certifications in these technologies. Excellent communication, teamwork, and adaptability are crucial soft skills that help in collaborating across teams and mentoring junior engineers. These competencies are essential for delivering high-quality software solutions, driving project success, and contributing positively to team dynamics.

What types of projects and responsibilities are typically assigned to an L5-level professional within a tech company?

At the L5 level, professionals are often entrusted with leading mid- to large-scale projects and are expected to demonstrate technical expertise and initiative. Daily responsibilities commonly include designing solutions, writing and reviewing code, mentoring junior team members, and collaborating closely with cross-functional teams such as product management, design, and quality assurance. L5s play a key role in architectural decisions and are often involved in setting technical direction for their teams. This level is also a critical stepping stone toward more senior leadership or specialized technical roles, offering opportunities for career advancement and broader impact within the organization.

What is the difference between L5 vs Software Engineer?

AspectL5Software Engineer
Required credentialsBachelor's or higher in CS or related field, extensive experienceBachelor's degree in CS or related field, some experience
Work environmentSenior-level projects, mentorship roles, strategic planningDevelopment, coding, debugging, team collaboration
Employer usageTech companies, large organizations with structured levelsStartups, tech firms, various industries
Search intentUnderstanding senior technical roles, career progressionEntry to mid-level development roles

In summary, L5 positions typically require more experience and involve leadership or strategic responsibilities compared to Software Engineer roles, which focus more on coding and development tasks. The L5 level is often seen as a senior technical role, whereas Software Engineer can range from entry-level to mid-level positions.

What is an L5 position?

An L5 position is a mid-level role in many tech companies, such as Google or Amazon, that typically corresponds to a Senior Software Engineer or similar title. Employees at the L5 level are expected to demonstrate strong technical skills, take on significant project responsibilities, and often mentor junior team members. This level is considered a key step towards higher leadership or specialist roles, and the expectations for impact and autonomy are substantially higher than at lower levels.
What are popular job titles related to L5 jobs in Virginia? For L5 jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching L5 jobs in Virginia look for? The top searched job categories for L5 jobs in Virginia are:
L5 jobs near you
Infographic showing various L5 job openings in Virginia as of July 2026, with employment types broken down into 88% Full Time, 7% Part Time, 1% Temporary, and 4% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution.
Tech Specialist 3 (BMS and EMCS)

Tech Specialist 3 (BMS and EMCS)

M.C. Dean, Inc

Tysons, VA • On-site

Full-time

Posted 15 days ago

M.C. Dean rating

7.5

Company rating: 7.5 out of 10

Based on 44 frontline employees who took The Breakroom Quiz

286th of 442 rated engineering

Job description

Overview
About M.C. Dean
M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
Technical Specialist 3 (BMS & EMCS) provides senior-level technical support for the startup, commissioning, integration, and troubleshooting of Building Management Systems (BMS), Electrical Monitoring and Control Systems (EMCS), and Electrical Power Monitoring Systems (EPMS). This role operates on active project sites and at M.C. Dean facilities, executing and leading L3 startup, L4 functional commissioning, and L5 Integrated Systems Testing (IST) activities. The TS-3 works with a high level of independence and serves as a technical resource to TS-1 and TS-2 personnel, while coordinating closely with controls engineers, project leaders, engineering leaders, commissioning teams, construction staff, and customers.
The role includes responsibility for complex troubleshooting, system integration validation, and customer-facing testing activities such as Factory Acceptance Testing. The Technical Specialist 3 plays a key role in ensuring systems perform in accordance with design intent, specifications, and operational requirements, while maintaining safe work practices and supporting high-quality project delivery across Virginia, Washington DC, Maryland, and other U.S. project locations.
Responsibilities
Key Responsibilities of Technical Specialist 3 (BMS & EMCS) include:
  • Lead and execute delivery of BMS, EMCS, and EPMS systems, with responsibility for startup, integration, testing, commissioning, and advanced troubleshooting
  • Perform and oversee L3 startup activities, including point-to-point verification and sequence validation, providing guidance to junior technicians as needed
  • Execute and support L4 functional commissioning and L5 Integrated Systems Testing (IST) with minimal supervision
  • Support and lead Pre-Installation Testing and Check Out (PITCO) activities at M.C. Dean facilities
  • Serve as onsite technical escalation point for controls, communication, and integration issues
  • Configure, load, update, and validate BMS controllers, devices, and communication parameters
  • Perform advanced troubleshooting of controls logic, system configuration, sequences of operation, and network communications
  • Configure and troubleshoot TCP/IP, BACnet/IP, and Modbus communications, including controllers, gateways, and third-party devices, using diagnostic tools and network analysis
  • Integrate and validate BMS/EPMS communications for power meters, PDUs, ATSs, generators, STSs, UPSs, battery systems, and related equipment
  • Navigate BMS platforms to monitor performance, analyze trends, review alarms, and validate system behavior
  • Distinguish between controls software/configuration issues and mechanical, electrical, or field device faults, and support corrective actions
  • Execute commissioning and testing procedures and ensure accurate completion of test scripts, reports, and issue logs
  • Redline and verify BMS, EMCS, EPMS, and controls drawings to reflect as-built conditions
  • Assist with review of vendor submittals and technical documentation to validate system integration and functionality
  • Provide technical guidance and mentorship to TS-1 and TS-2 personnel
  • Maintain awareness of applicable codes, standards, and safe work practices
  • Communicate effectively with engineering, construction, commissioning, customers, and leadership through clear technical and written communication

Qualifications
Qualifications
  • 5+ years of experience performing BMS, EMCS, and/or EPMS project startup and commissioning, or providing high-level system configuration, integration, and advanced troubleshooting on complex BMS/EMCS/EPMS systems
  • Demonstrated ability to independently execute L3 startup, support L4 functional commissioning, and lead or support L5 Integrated Systems Testing (IST) activities
  • Advanced troubleshooting experience with controls logic, system configuration, networking, and third-party integrations, including the ability to resolve issues spanning controls software, field devices, and mechanical or electrical systems
  • Strong working knowledge of one or more major BMS platforms such as Niagara, Siemens Desigo, or Schneider EcoStruxure; multi-platform experience preferred
  • Solid understanding of building automation networking and communications, including TCP/IP, BACnet/IP, and Modbus
  • Proven ability to distinguish controls programming or configuration issues from sensor, device, installation, or equipment faults and drive resolution
  • Experience supporting or integrating EPMS and power monitoring systems is strongly preferred
  • Ability to read and interpret controls drawings, sequences of operation, specifications, and vendor documentation
  • Ability to work independently in the field, manage technical priorities, and provide guidance to TS-1 and TS-2 personnel
  • Strong focus on safety, quality, and accurate documentation
  • Effective verbal and written communication skills
  • Willingness and ability to travel within VA, DC, MD, and to other U.S. project locations as required

Education:
  • Requires 10 or more years of experience with installation, troubleshooting and/or testing of EPMS, BMS, Industrial instrumentation and/or SCADA systems
  • 10+ years of experience with a High School Diploma 8+ years of experience with an Associate's or 5+ with a bachelor's degree.
  • Requires reliable attendance at customer site during work hours required by customer

Certifications:
  • Minimum of one (1) BMS or automation platform certification (e.g., Niagara N4, Siemens Desigo, Schneider EcoStruxure, Ignition).

Abilities:
  • Exposure to computer screens for an extended period of time.
  • Sitting for extended periods of time.
  • Reach by extending hands or arms in any direction.
  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
  • Listen to and understand information and ideas presented through spoken words and sentences.
  • Communicate information and ideas in speaking so others will understand.
  • Read and understand information and ideas presented in writing.
  • Apply general rules to specific problems to produce answers that make sense.
  • Identify and understand the speech of another person.

Pay Range
USD $104,240.00 - USD $130,300.00 /Yr.

What M.C. Dean employees say

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About M.C. Dean

Sourced by ZipRecruiter

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission-critical facilities, secure environments, complex infrastructure, and global enterprises. The company's capabilities include electrical, electronic security, telecommunications, life-safety, instrumentation and control, and command and control systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 5,100 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

Industry

Engineering professional services

Company size

10,000+ Employees

Headquarters location

Tysons, VA, US

Year founded

1949

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